Egg Quality FAQ: 30 Questions About
Egg Quality, Age and Fertility

Certain modifiable factors related to reproductive health can be optimised, but there is no proven treatment, diet, supplement or lifestyle program that can reliably reverse age-related egg aging or guarantee that an egg becomes chromosomally normal.

Both simple answers oversimplify. “Yes, improve your diet and take CoQ10” overpromises. “No, egg quality cannot change at all” ignores real biology.

What can potentially be influenced? Before ovulation, a follicle develops through multiple stages, and the egg and surrounding follicular cells exist within an environment influenced by metabolic health, nutritional status, smoking and other exposures, certain medical conditions, the hormonal environment and overall health. Stopping smoking is meaningful. Managing poorly controlled diabetes is meaningful. Correcting a nutritional deficiency can be meaningful.

What can we not currently do? We cannot reliably take an egg with age-related chromosomal abnormalities and make it normal through food, supplements, detoxification, yoga, antioxidants, fertility teas or a 90 day protocol. Optimising reproductive health is not the same as reversing ovarian aging.

Then why do some women conceive after changing their lifestyle? Because fertility is probabilistic. She may have ovulated a competent egg that cycle, improved timing, achieved more regular ovulation, improved metabolic health or sperm factors, or simply conceived with additional attempts. The pregnancy is real, but we should be careful about assigning the mechanism without evidence.

Key takeaway: Some factors surrounding reproductive health can be optimised, but there is no proven method to reverse egg aging or guarantee chromosomally normal eggs.

Related: What can and cannot realistically change →

There is no scientifically established number of days after which egg quality becomes “improved”. The commonly promoted 90 day timeline comes from the fact that follicles undergo development for months before ovulation, not from evidence that 90 days of lifestyle changes can reliably transform egg quality.

The statement “your egg takes 90 days to mature” contains a useful biological idea. The conclusion “give me 90 days and I'll improve your egg quality” does not automatically follow from it.

The follicle that eventually ovulates has gone through a long developmental process, so health during the months before conception can matter, which is why preconception care should ideally begin early. But there is no switch on day 1 where an egg begins developing and on day 90 emerges with whatever quality score your lifestyle created.

A roughly three month period is still practical for addressing smoking cessation, nutritional deficiencies, dietary habits, physical activity, metabolic health, sleep, relevant medical management and male preconception health. Frame it as a useful preconception optimisation period, not a guaranteed egg quality repair cycle.

Should everyone wait three months before trying? No. Imagine a 40 year old stops trying for three months because “your eggs aren't ready”, then repeats the protocol because her AMH has not increased. Six months of reproductive time has passed without evidence that delaying improved her chances. For some couples there may be reasons to pause. For others, optimisation and trying can happen simultaneously.

Key takeaway: There is no proven 90 day transformation. Three months can be useful for preconception health, but couples should not delay conception to complete an arbitrary protocol.

Related: Using a preconception window without losing time →

Healthy lifestyle changes can support reproductive and overall health, particularly when they address harmful exposures or metabolic problems, but they cannot guarantee improved egg quality or reverse reproductive aging.

Fertility content often takes a reasonable idea and exaggerates it. Smoking affects reproductive health: reasonable. Therefore stopping smoking makes all your eggs high quality: not reasonable.

• Smoking is one of the clearest modifiable reproductive exposures, associated with adverse outcomes and accelerated ovarian aging. Stopping is a meaningful preconception step.
• Nutrition supports nutrient intake, metabolic health and body composition, but there is no egg quality diet that guarantees competent eggs.
• Physical activity supports insulin sensitivity, cardiovascular health and body composition. Extreme exercise, inadequate energy intake or very low body weight can disrupt reproductive function.
• Sleep supports metabolic and hormonal health and chronic disruption is worth addressing, but “your eggs are poor because you sleep at midnight” is not evidence based.
• Alcohol: heavy use is not a good preconception strategy, and pregnancy can begin before it is recognised.

Reducing unnecessary exposure to known reproductive toxins is reasonable, but this easily becomes fertility anxiety: throw away every plastic container, replace every cosmetic, never touch a receipt. That level of fear is neither practical nor necessary. Focus on meaningful exposures rather than trying to create a toxin free life, which is impossible.

If a routine requires perfect food, perfect sleep, zero stress, dozens of supplements and daily rituals, fertility preparation has become another source of stress and expense. A good preconception plan should be sustainable.

Key takeaway: Lifestyle optimisation supports reproductive health, especially by addressing smoking, metabolic health, nutrition and exposures. It is not a guaranteed way to transform egg quality.

Related: Focusing on the changes that actually matter →

For women with obesity or metabolic dysfunction, sustainable weight management may improve aspects of reproductive health, including ovulation and metabolic function. But weight loss has not been proven to make eggs chromosomally younger, and not every woman needs to lose weight to improve fertility.

“Lose 10 kg and your egg quality will improve” mixes several mechanisms together. Excess adiposity can be associated with insulin resistance, altered reproductive hormones, ovulatory dysfunction, metabolic inflammation and pregnancy complications. For some women, improving metabolic health can improve ovulatory function and therefore the opportunity for conception. But more regular ovulation is not proof that egg chromosomes changed. These are different outcomes.

What if I have PMOS? For some women with PMOS and excess weight, even modest sustainable reduction may improve metabolic and ovulatory function. But PMOS also occurs in lean women, who should not automatically be told to lose weight. The objective is metabolic and reproductive health, not the lowest possible number on the scale.

Can being underweight affect fertility? Yes. Very low energy availability, significant calorie restriction or low body weight can interfere with reproductive hormonal signalling and ovulation. Less weight does not mean more fertility.

Should I delay pregnancy until I reach an ideal weight? Not automatically. For a younger woman with significant metabolic dysfunction, taking time may be valuable. For a woman approaching 40, spending a year pursuing an arbitrary target before evaluation may not be sensible. Sometimes weight management and fertility care should run in parallel.

Key takeaway: Sustainable weight management can improve reproductive and metabolic health where excess weight or dysfunction is relevant, but it does not reverse egg aging.

Related: How body composition affects ovulation and hormones →

There is currently no proven natural method that reverses age-related egg aging or reliably converts chromosomally abnormal eggs into normal eggs. However, modifiable health factors surrounding fertility can still be improved.

This is one of the highest intent searches in fertility, and where women encounter the biggest promises: reverse poor egg quality in 90 days, detox your ovaries, regenerate your eggs naturally, increase egg quality from 30% to 80%. These claims should raise questions.

First, ask what was actually diagnosed. If someone says “you have poor egg quality”, ask how that was determined. Was it based on age, low AMH, infertility, miscarriage, IVF embryo development or ovarian response? These are not interchangeable. Low AMH alone does not diagnose poor egg quality. A miscarriage alone does not. Difficulty conceiving alone does not.

Current medicine has no validated lifestyle intervention that makes eggs biologically younger. If a 42 year old follows an excellent diet for six months she may improve many aspects of her health, which is valuable, but she is still 42 and the age-related probability of aneuploidy remains clinically relevant. What can be addressed: nutritional adequacy, metabolic health, smoking, physical activity, sleep, excessive alcohol, relevant deficiencies and management of existing conditions.

No woman has a reproductive system where every egg is guaranteed chromosomally normal. Even young women produce abnormal embryos. So instead of trying to make every egg good, maximise modifiable reproductive health while making decisions that respect age, ovarian reserve, fertility history and reproductive time. Natural optimisation and medical fertility care do not need to be opposing philosophies.

Key takeaway: Poor egg quality cannot currently be reliably reversed naturally, particularly when the concern is age-related chromosomal competence, but modifiable factors can still be optimised.

Related: Questioning the diagnosis before chasing a protocol →

No single food has been proven to improve egg quality or make eggs chromosomally normal. The better approach is an overall nutrient dense dietary pattern that supports metabolic health, adequate nutrition and preconception health.

Search for egg quality foods and you will find lists: eat avocado for healthy eggs, Brazil nuts for fertility, beetroot juice for implantation. Many of these foods are nutritious. That does not mean eating them changes the chromosomal competence of an egg.

• Adequate protein from eggs, fish, poultry and lean meat, dairy where appropriate, lentils and dals, beans, chickpeas, soy foods, nuts and seeds. An extreme high protein diet is not required.
• Vegetables and fruits for vitamins, minerals, fibre and plant compounds. Ask whether you eat a varied diet consistently, rather than which single fruit improves egg quality.
• Healthy fats from nuts, seeds, olive oil, fatty fish and avocado. The goal is not to eliminate fat, and no single fertility fat transforms egg quality.
• Carbohydrates including whole grains, oats, rice, roti, millets, potatoes, legumes and fruit. Carbohydrates do not need removing to improve fertility, though quantity and quality may need attention with insulin resistance or diabetes.

A dietary pattern dominated by highly processed foods and low nutritional variety is not ideal for metabolic or general health. But one dessert does not damage an egg, and fertility nutrition should not create food fear.

Research has often examined patterns rich in vegetables, fruits, legumes, whole grains, fish, nuts and unsaturated fats, and some observational work associates healthier patterns with reproductive outcomes. Association does not prove that one diet directly improves egg chromosomes.

Key takeaway: No individual food has been proven to improve egg quality. Focus on a balanced, nutrient dense pattern rather than fertility superfoods or restrictive diets.

Related: Eating for metabolic health rather than superfoods →

Some nutrients and supplements are important for preconception health or have been studied in fertility treatment, but no supplement has been proven to reliably transform egg quality or guarantee chromosomally normal eggs.

Women trying to improve egg quality often end up taking prenatal vitamins, folic acid, CoQ10, vitamin D, omega-3, vitamin E, vitamin C, selenium, zinc, inositol, NAC, melatonin, DHEA and multiple herbal products, sometimes all at once. More supplements does not mean better eggs.

Start with preconception requirements. Folic acid is established because adequate folate reduces the risk of neural tube defects. That does not make it an egg quality treatment; it means it has an important role in preparing for pregnancy. Then correct actual deficiencies: vitamin D, B12, iron or others depending on diet and history. Correcting deficiency is different from megadosing someone who is already sufficient.

Antioxidants receive significant attention, but the logic that oxidative stress can be harmful therefore more antioxidants must improve eggs is too simplistic. The body also uses normal oxidative signalling, and high dose supplementation is not automatically beneficial.

Be particularly cautious with hormones. DHEA is a hormone, not an ordinary vitamin. It has been studied in selected populations, but the evidence does not justify every woman with low AMH taking it independently. Before taking anything, ask what you are taking it for, whether you have a deficiency, what outcome it has been shown to improve, whether the dose is appropriate, and whether it is safe if you conceive this cycle.

Key takeaway: There is no universal egg quality supplement stack. Supplementation should be individualised and should not replace appropriate fertility evaluation.

Related: Deciding whether a supplement is actually indicated →

CoQ10 has biological plausibility and has been studied in female fertility, particularly in women undergoing assisted reproduction, but current evidence does not prove that it reliably reverses age-related egg decline or makes eggs chromosomally normal.

Coenzyme Q10 is involved in mitochondrial energy production and has antioxidant functions. Egg maturation and early embryo development require substantial cellular energy, and because mitochondrial function changes with reproductive aging, researchers have investigated whether supplementation might support reproductive outcomes.

Some studies and analyses have reported potentially favourable effects on ovarian response, the number of retrieved oocytes, embryo related laboratory outcomes and some pregnancy outcomes in selected populations. But studies differ in patient groups, doses, duration, protocols, outcomes measured and quality, so the conclusion cannot simply become “CoQ10 improves egg quality”.

Does CoQ10 reduce chromosomal abnormalities in human eggs? We do not currently have strong clinical evidence that it reliably converts age-related abnormal eggs into normal ones. That is a much stronger claim than saying it may influence aspects of cellular or reproductive function. Much of the interest comes from assisted reproduction settings, and evidence for natural conception live birth rates is far less certain.

Should every woman over 35 take it? Not automatically. Age alone should not create a mandatory supplement list. Doses used in studies also vary, so do not assume that if 200 mg is good, 600 mg must be three times better. If you are in fertility treatment or taking other medications, discuss supplementation with your treating clinician.

Key takeaway: CoQ10 is a promising and actively studied supplement, but it has not been proven to reverse reproductive aging or guarantee chromosomally normal eggs.

Related: Where supplements fit alongside treatment →

Vitamin D, folate and omega-3 fatty acids are relevant to human health and reproduction, but none should be described as a proven treatment that directly improves egg quality in every woman.

Folate is essential for DNA synthesis and cell division, and adequate folic acid before conception and in early pregnancy is well established for reducing the risk of neural tube defects. That is why it is part of standard preconception care. But folic acid preventing neural tube defects is not the same outcome as folic acid reversing egg aging.

Vitamin D receptors are present in reproductive tissues, and vitamin D has been studied in relation to ovarian function, PMOS, treatment outcomes and pregnancy health. Research has found associations with some outcomes, but results are not consistent enough to say “raise vitamin D and egg quality improves”. If someone is deficient, correcting it is appropriate for overall health, which differs from taking very high doses to create better eggs.

Omega-3 fatty acids are involved in cell membranes, inflammatory pathways and cardiovascular health, and can form part of a healthy dietary pattern. But an omega-3 supplement producing better egg chromosomes has not been established.

A nutrient can be important for reproductive biology without being a treatment for poor egg quality. Water is essential for life; drinking twice as much does not make someone twice as healthy. Nutrients work within physiological ranges. Start with adequate nutrition, appropriate preconception supplementation and correction of deficiencies rather than maximum doses of every fertility nutrient.

Key takeaway: Folate is an important preconception nutrient, and vitamin D and omega-3 may matter for overall health. None is a guaranteed way to improve egg quality.

Related: Correcting deficiencies rather than megadosing →

Lifestyle factors can influence reproductive and overall health, but the strength of evidence differs between exposures. Smoking is a well established reproductive risk, while claims that everyday stress or occasional poor sleep directly damages egg quality are much less justified.

Smoking is one of the clearest modifiable exposures, associated with reduced fertility, adverse ovarian effects, earlier reproductive aging and pregnancy complications. Stopping is a meaningful intervention without needing to claim every egg becomes better immediately after quitting.

Alcohol: heavy consumption is not advisable in preconception. Evidence around lower levels and female fertility is less straightforward. Once pregnancy occurs, avoiding alcohol is recommended, and because pregnancy may exist before a missed period, it is worth considering during preconception too.

Sleep affects metabolic health, appetite regulation, wellbeing and endocrine physiology, so chronic disruption is worth addressing. But “you sleep six hours, so your eggs are poor quality” is not an evidence based conclusion.

Stress: fertility itself is stressful, and then women are told stress damages their eggs, so they become stressed about being stressed. Severe or chronic stress can influence wellbeing, behaviour, sleep and aspects of physiology, but normal psychological stress has not been shown to act like a switch that turns healthy eggs into poor quality ones. Stress reduction is valuable because mental health matters, not as another fertility obligation.

If someone is smoking daily, sleeping poorly and metabolically unhealthy while worrying about one cup of coffee or one late night, the priorities are backwards. Focus first on factors with meaningful health impact.

Key takeaway: Smoking is a significant modifiable risk and heavy alcohol use should be addressed. Everyday stress or occasional poor sleep should not be portrayed as direct causes of poor egg quality.

Related: Setting sensible lifestyle priorities →

Age-related changes in egg competence can make natural conception less likely because a smaller proportion of eggs may be capable of contributing to a viable embryo. But difficulty conceiving does not automatically mean poor egg quality is the cause.

Natural conception requires several events to succeed: ovulation, sperm reaching the egg, fertilization, continued cell division, arrival in the uterus, implantation, and ongoing early development. Egg competence is one part of that process.

If an egg has a significant chromosomal abnormality it may fail to fertilize, fertilize but produce an embryo that stops developing, produce an embryo that does not implant, or result in a pregnancy that later miscarries. This is one reason natural fecundability generally declines with female age.

But we cannot observe what happened during most unsuccessful cycles. If pregnancy does not happen in one month, we cannot conclude that month's egg was poor quality. Perhaps intercourse missed the fertile window, fertilization did not occur, sperm factors were involved, the embryo did not continue developing, or conception simply did not happen that cycle, which is normal even in fertile couples.

The longer pregnancy does not occur, the more important it becomes to evaluate the complete picture: ovulation, ovarian reserve, tubal factors, uterine factors, endometriosis, semen analysis, medical history and reproductive age. Do not allow poor egg quality to become the diagnosis before these have been considered.

Key takeaway: Age-related changes can reduce the probability of natural conception, but failure to conceive does not by itself diagnose poor egg quality.

Related: Evaluating the whole reproductive system →

Chromosomal abnormalities originating in the egg can contribute to miscarriage, and this becomes increasingly important as maternal age advances. But a miscarriage does not automatically mean the woman's egg quality was poor.

Early miscarriage is frequently associated with chromosomal abnormalities in the developing embryo, and some originate during egg development. As reproductive age increases, chromosome separation errors become more common, which helps explain why miscarriage risk generally increases with maternal age.

But after a loss, saying “your egg quality caused it” may go beyond what we actually know. An embryo receives genetic material from both the egg and the sperm, so male factors can also matter, and miscarriage can involve uterine abnormalities, antiphospholipid syndrome, certain medical conditions and selected genetic factors. Sometimes no cause can be identified.

Does one miscarriage mean my remaining eggs are poor? No. One egg or embryo does not represent every egg remaining in the ovaries. A woman can experience a chromosomally abnormal conception followed by a chromosomally normal one, even when nothing dramatic changes between the two pregnancies.

Repeated loss deserves broader evaluation, and age-related embryo abnormalities may be an important consideration at older reproductive ages. But recurrent miscarriage should not automatically become “fix your egg quality”. And no diet, supplement or detox can guarantee prevention of chromosomal miscarriage. We should not imply a woman could have prevented her miscarriage by preparing her eggs better.

Key takeaway: Egg-related chromosomal abnormalities can contribute to miscarriage, but a loss does not prove poor egg quality or tell us the quality of remaining eggs.

Related: Understanding miscarriage causes without blame →

Egg-related factors can contribute to IVF failure, but a failed cycle does not prove that poor egg quality was the cause. IVF outcomes depend on multiple biological and treatment related factors.

After an unsuccessful cycle couples often hear “the eggs weren't good”. Sometimes egg factors genuinely matter. But IVF is a multi stage process: stimulation, retrieval, egg maturity, fertilization, embryo development, transfer, implantation and ongoing pregnancy. Each stage provides different information.

• Few eggs retrieved may reflect ovarian reserve, age, response or stimulation factors. It does not automatically mean the eggs retrieved were poor quality.
• Many eggs but few mature can be affected by biological and treatment related variables, and needs cycle specific interpretation.
• Poor fertilization involves both egg and sperm, so blaming the egg alone may overlook male factors or laboratory considerations.
• Embryos stopping development depends on contributions from both partners, and arrest does not identify which one contributed the relevant factor.
• A failed transfer does not necessarily mean the uterus rejected the embryo, nor that the egg was poor quality.

One cycle is a sample, not your entire reproductive potential. It provides valuable information about that particular cohort of follicles, eggs, sperm, embryos, laboratory conditions and treatment strategy. It does not test every egg a woman has. The useful question is not “was my egg quality bad?” but “at which stage did the cycle struggle, and what does that tell us about the next decision?”

Key takeaway: Egg factors can contribute to IVF failure, particularly through age-related abnormalities, but failed IVF does not automatically prove poor egg quality.

Understanding what happens at each stage of a cycle helps you interpret the outcome correctly. Our IVF FAQ walks through the process stage by stage, and since fertilization involves both partners, our Male Fertility FAQ covers the parallel sperm-side factors.

Related: Reading an IVF cycle stage by stage →

No. Embryo development depends on both the egg and sperm, as well as complex biological and laboratory processes. Poor embryo development should not automatically be interpreted as proof that the woman's eggs were poor quality.

An embryo is not an egg that continued growing. It is a new biological system created from egg plus sperm, and both contribute genetic material.

The egg does have an important early role, providing maternal chromosomes, cellular machinery, mitochondria and proteins needed during early development, and maternal age is strongly associated with embryo aneuploidy. But that is not the whole story. Sperm contributes paternal genetic material and other components, and sperm factors can affect fertilization, embryo development and reproductive outcomes.

Embryo grading is not chromosome testing. Embryos may receive morphological grades based on appearance and developmental characteristics. A better looking embryo may have favourable laboratory characteristics, but a beautiful embryo is not guaranteed chromosomally normal, and a lower grade embryo is not definitely abnormal. Morphology and chromosomal status are related but not identical.

Imagine 10 eggs retrieved, 8 mature, 7 fertilized and only 1 blastocyst. It is tempting to say poor egg quality. But that may be too simplistic without considering age, sperm, fertilization method, the development pattern and other clinical information. The correct question is what the entire cycle tells us, not which partner to blame.

Key takeaway: Poor embryo development does not automatically mean poor egg quality. Embryo competence reflects both partners, and appearance cannot determine chromosomal status.

Related: Interpreting embryo results without blame →

Yes, natural conception may still be possible when someone has been told she has poor egg quality, depending on age, ovulation, ovarian reserve, sperm factors, tubal health, and the reason that label was used in the first place.

Before answering, ask who diagnosed poor egg quality and on what basis. If the diagnosis was based on low AMH, that does not directly diagnose egg quality. If she is ovulating, tubes are patent and the male partner has adequate sperm, natural conception may still occur. Low reserve may affect reproductive time and the number of opportunities, but low AMH does not make natural conception impossible.

If the concern is age, natural conception remains possible throughout the reproductive years while ovulation continues, though the probability per cycle declines while miscarriage and chromosomal risks increase. Possible does not mean equally probable at every age.

If the label came after miscarriage, one loss does not diagnose poor egg quality, and the next ovulated egg may have a different outcome. If it came after failed IVF, one cycle does not mean every remaining egg is incapable of producing a viable embryo.

Natural conception should not become an ideology. Seek evaluation sooner with advancing maternal age, significantly diminished reserve, prolonged infertility, irregular or absent ovulation, known tubal problems, significant endometriosis, severe male factor infertility or recurrent loss. Optimising health and getting appropriate evaluation can happen at the same time.

Key takeaway: Natural conception can still occur after being told you have poor egg quality, particularly when that label came only from AMH, a miscarriage or one IVF cycle.

Related: Deciding when to seek evaluation sooner →

PMOS, formerly called PCOS, is primarily associated with ovulatory difficulty rather than a straightforward reduction in egg quality. Many women with PMOS conceive and have healthy pregnancies once ovulation occurs.

The most common fertility barrier in PMOS is irregular or absent ovulation, which reduces the number of opportunities to conceive rather than proving the eggs themselves are abnormal. This is a different problem from age-related chromosomal competence, and treating the two as the same thing leads to the wrong plan.

Women with PMOS often have higher AMH because they have more small follicles. That is a quantity finding, not a quality finding, and it does not mean their eggs are superior. Equally, a high follicle count does not guarantee conception if ovulation is not occurring.

Some research has examined whether the metabolic and hormonal environment in PMOS, particularly insulin resistance, androgen excess and obesity where present, may affect oocyte maturation and embryo development. Findings are mixed and vary considerably between presentations. A lean woman with PMOS and normal metabolic markers has a very different profile from someone with substantial insulin resistance.

So the practical priorities in PMOS are usually: establish whether and how often you ovulate, address relevant metabolic health, and evaluate both partners. Assuming poor egg quality because of a PMOS diagnosis usually misdirects attention away from the actual barrier.

Key takeaway: PMOS mainly affects ovulation rather than egg quality directly, and high AMH in PMOS reflects follicle quantity rather than better eggs.

Related: How PMOS affects ovulation and fertility →

Endometriosis can affect fertility through several mechanisms, and research has examined possible effects on oocyte and embryo quality, but the evidence is mixed and endometriosis should not automatically be treated as a diagnosis of poor egg quality.

The clearer fertility mechanisms in endometriosis are anatomical and inflammatory:

• distorted pelvic anatomy and adhesions affecting tubal function
• inflammation within the pelvic environment
• ovarian endometriomas and their effect on surrounding ovarian tissue
• possible effects on implantation
• pain that reduces frequency of intercourse

Ovarian reserve is a separate and important consideration. Endometriomas, and particularly surgery to remove them, can reduce ovarian reserve, which is why decisions about surgery in someone who wants to conceive should be made carefully and with a fertility specialist involved. That is a quantity effect, and it is distinct from chromosomal competence.

Studies examining egg and embryo quality in endometriosis have produced inconsistent results, and many women with endometriosis produce competent eggs and conceive, both naturally and with treatment. Age generally remains the stronger predictor of chromosomal competence.

If you have endometriosis and are trying to conceive, the useful questions are whether ovulation is occurring, whether tubes are affected, whether ovarian reserve has been assessed, whether pain is limiting intercourse, and what your partner's semen analysis shows.

Key takeaway: Endometriosis affects fertility mainly through anatomy, inflammation and sometimes ovarian reserve. Evidence on egg quality is mixed and it should not be assumed.

Related: How structural and pelvic factors affect fertility →

No. Low AMH indicates reduced ovarian reserve, meaning fewer remaining follicles. It does not measure the chromosomal competence of the eggs you still have.

This deserves its own answer because it is the single most common route by which women are told they have poor egg quality. The reasoning goes: AMH is low, therefore the eggs must be bad. AMH is a quantity marker. It is produced by cells surrounding small follicles, so it estimates how many follicles remain and how the ovaries may respond to stimulation.

A 30 year old with an AMH of 0.5 has fewer follicles than expected for her age. Her eggs are still 30 year old eggs, and the age-related probability of chromosomal competence has not changed. A 42 year old with an AMH of 3.0 has more follicles available, and her eggs are still 42 year old eggs.

What low AMH does affect is your reproductive timeline and your options. Fewer follicles can mean fewer eggs retrieved in IVF, fewer embryos, and less flexibility across a treatment cycle. That is a genuine and important consideration, and it is a reason to seek evaluation earlier rather than to conclude that the eggs are poor.

If you have been told low AMH means poor eggs, the useful follow up questions are: what is my age, am I ovulating, how long have we been trying, has my partner been evaluated, and what does that mean for our timeline?

Key takeaway: Low AMH means fewer eggs, not worse eggs. It affects reproductive timeline and treatment options rather than chromosomal competence.

If your doctor has told you your AMH is low, understanding ovarian reserve becomes important. Read our Low AMH FAQ.

Related: The complete guide to low AMH →

You cannot increase the total number of eggs you have, and you cannot change the proportion that is chromosomally competent. What can sometimes be influenced is how many of the available eggs are recruited and retrieved in a treatment cycle.

Women are born with a finite follicle pool that declines throughout reproductive life. No diet, supplement, protocol or procedure has been shown to create new eggs or to raise the proportion that are chromosomally normal. Claims to “regenerate your ovarian reserve” are not supported by current evidence.

In IVF, however, the number of eggs obtained is a legitimate target, which is why stimulation protocols are individualised. Depending on the situation, specialists may adjust the protocol or medication doses, consider adjuvants in selected cases, or use more than one retrieval cycle to accumulate eggs or embryos before transfer. The aim there is to collect more of the eggs that already exist, not to improve them.

For natural conception the arithmetic is different: usually one dominant follicle ovulates each cycle regardless of how many follicles remain, so the practical levers are confirming ovulation, timing intercourse across the fertile window, addressing modifiable health factors, and evaluating your partner.

This distinction matters commercially. Programs promising more and better eggs are usually selling something biology does not currently permit. Programs that help you retrieve more of the eggs you have, or use your reproductive time well, are addressing something real.

Key takeaway: You cannot create new eggs or change the proportion that are competent, but the number retrieved in a treatment cycle can sometimes be improved.

Related: How stimulation protocols are individualised →

Start by finding out what the concern is actually based on, because “poor egg quality” is used loosely and often describes something else entirely. Work through it in order:

• Ask what led to the label. Age? Low AMH? Time trying? A miscarriage? An IVF cycle? These are not interchangeable, and only some of them relate to egg competence at all.
• Establish your age and reproductive timeline. This is the single most informative factor for chromosomal competence, and it also determines how much time you can reasonably spend optimising.
• Confirm you are ovulating. Regular cycles are suggestive but not proof. If cycles are irregular, that is a different problem with different solutions.
• Get ovarian reserve assessed in context. AMH and antral follicle count describe quantity, which matters for planning and IVF response.
• Have your partner evaluated. A semen analysis is quick, and male factors contribute to roughly half of infertility. Do not spend months on egg protocols with the man untested.
• Check the rest of the picture. Tubal factors, uterine factors, endometriosis, thyroid function and metabolic health can all matter.
• Optimise what is genuinely modifiable. Stop smoking, address heavy alcohol use, correct documented deficiencies, take appropriate folic acid, manage existing conditions, and work on metabolic health where relevant.
• Decide how much time you have. A 29 year old and a 41 year old should not follow the same plan.

Be cautious with anyone offering to measure your egg quality and then improve it. If the measurement is AMH, the premise is wrong. And be equally cautious of the opposite message, that nothing matters except age, which leaves women with nothing to act on.

The honest position is this: you cannot reverse reproductive aging or guarantee a chromosomally normal egg. You can optimise modifiable health, identify conditions affecting fertility, avoid harmful exposures, correct deficiencies, and make decisions without unnecessarily losing reproductive time.

Key takeaway: Find out what the concern is based on, evaluate both partners and the full picture, optimise what is modifiable, and protect the reproductive time you have.

Related: Taking the free fertility assessment →