Medically reviewed by Dr. Shweta Agarwal, MBBS, DGO. Last updated: June 2026.
Information on this page is educational and does not replace a medical consultation. Outcomes depend on individual clinical factors.
What is AMH, and what does "low AMH" actually mean?
AMH (Anti-Müllerian Hormone) is produced by granulosa cells in small ovarian follicles. Blood AMH levels reflect how many of these small follicles — and therefore how many eggs — remain in the ovaries at a given time. A reading below the age-adjusted reference range indicates diminished ovarian reserve (DOR) — sometimes called low ovarian reserve, कमी अंडाशय राखीव (Marathi) or कम AMH (Hindi).
Three important distinctions that are often misunderstood:
| What low AMH tells you | What low AMH does NOT tell you |
|---|---|
| Fewer eggs in reserve than average for your age | That the remaining eggs are abnormal or poor quality |
| That your fertility window may be shorter than expected | That you cannot conceive naturally or with treatment |
| That timely evaluation and planning are worthwhile | That IVF will fail or that donor eggs are your only option |
AMH is most useful as a planning tool. A single low value does not define your outcome — it guides the urgency and approach of fertility care.
What causes low AMH?
The most common cause is simply age: ovarian reserve naturally declines as women get older, with the steepest fall occurring from the mid-30s onward. Other causes include:
- Age-related decline: The ovarian follicle pool decreases steadily throughout reproductive life. AMH typically begins to fall noticeably in the mid-30s.
- Genetic factors: Some women are born with a smaller follicular pool (premature ovarian insufficiency in its milder forms). A family history of early menopause can be a signal.
- Prior ovarian surgery: Operations for endometriomas (chocolate cysts), dermoid cysts, or other ovarian pathology can reduce functional ovarian tissue. The risk is greatest with repeat procedures or surgery on both ovaries.
- Endometriosis: Active endometriosis — particularly endometriomas — can damage the ovarian cortex and reduce the follicular pool. See our endometriosis page.
- Chemotherapy or radiation: Gonadotoxic cancer treatments can significantly reduce ovarian reserve. Fertility preservation before treatment is available through our oncofertility service.
- Autoimmune conditions: In some cases, antibodies directed at ovarian tissue (autoimmune oophoritis) impair follicle function.
- Unexplained: A subset of women — including younger women — have low AMH with no identifiable cause. This is not rare, and it does not preclude conception.
Does low AMH cause any symptoms?
Usually, no. Diminished ovarian reserve is largely asymptomatic — most women find out incidentally, during a routine fertility workup or while investigating difficulty conceiving. In some cases, particularly when AMH is very low, cycles may become slightly shorter or irregular, but this is not consistent.
Because there are no reliable symptoms, testing is the only way to know your ovarian reserve status. This makes AMH testing particularly valuable:
- Before planning to delay conception (to understand your current reserve).
- After ovarian surgery or a cancer diagnosis.
- When you have a family history of early menopause.
- During a routine fertility evaluation when you are trying to conceive.
How is low AMH diagnosed?
Diagnosis uses two complementary assessments. Both are available in-house at Aansh Hospital — see our fertility diagnostics page for the full panel.
AMH blood test
A single blood draw, which can be taken on any day of the cycle (AMH does not fluctuate significantly with the menstrual cycle). The result is compared against age-adjusted reference ranges. A value below the lower limit of normal for your age — in combination with clinical assessment — indicates diminished ovarian reserve. Reference ranges vary by laboratory; Dr. Shweta Agarwal interprets your result in the context of your full clinical picture.
Antral Follicle Count (AFC)
A transvaginal ultrasound performed early in the menstrual cycle (day 2–4) counts the small resting follicles visible in both ovaries. A low AFC corroborates a low AMH reading and provides additional information about how the ovaries are likely to respond to stimulation.
Together, AMH and AFC form the core of ovarian reserve assessment. Other tests — FSH, LH, and oestradiol on day 2–3 — may also be included in the panel.
What does low AMH mean for my chances of conceiving?
Low AMH affects how many eggs can be retrieved or are available per cycle — it does not determine whether the eggs that remain are capable of fertilisation and leading to a healthy pregnancy. Egg quality is primarily determined by age, not by AMH level.
Key clinical implications:
- Natural conception is still possible with low AMH, particularly in younger women. Lower reserve means fewer eggs are released over time, but each ovulation still has the potential to result in conception.
- Time is a factor. Because the follicular pool continues to decline, waiting is the main risk. Evaluation and planning sooner rather than later preserves more options.
- IVF response may be reduced. Women with low AMH typically produce fewer eggs in response to ovarian stimulation. Protocols are adjusted accordingly — this is a technical consideration, not a barrier to treatment.
- Pregnancy outcomes are not determined by AMH alone. Studies consistently show that women with low AMH who do achieve fertilisation can have normal embryo development. Age and embryo quality are the primary determinants of outcome.
What are the management and fertility options?
The appropriate approach depends on your age, your AMH level, your AFC, whether you are currently trying to conceive, and whether other infertility factors are present. Dr. Shweta Agarwal will discuss all of this with you at consultation.
Timely IVF with tailored stimulation
For women with low AMH who are ready to try for a pregnancy now, IVF remains the most effective method to maximise the number of eggs available in a single cycle. Stimulation protocols are individualised — doses and drug combinations are adjusted to the ovaries' likely response. Our in-house embryology laboratory, led by Aayush Agarwal, Ph.D., handles fertilisation and embryo development.
Egg freezing — preserving today's reserve for tomorrow
If you are not ready to conceive now but want to protect against further decline, egg freezing (oocyte cryopreservation) allows eggs to be collected and stored for future use. This is particularly relevant for women in their late 20s or early 30s who discover low AMH before they are ready to start a family.
IUI — when reserve is mildly reduced and tubes are open
If your AMH is mildly reduced, tubes are open, and sperm parameters are normal, IUI (intrauterine insemination) may be an appropriate first step. Its success is lower than IVF, and it is not the preferred route for severe DOR, but it is a reasonable starting point in selected cases.
Donor egg IVF — an educational note
For women with very low or undetectable AMH where own-egg IVF has been attempted and unsuccessful, donor egg IVF is one established option. Aansh Hospital & IVF Center is a government-registered ART bank (Reg. No. MH/AB/2024/11445/Chandrapur/91); all donor management is carried out under the ART (Regulation) Act 2021 and ICMR guidelines. This page provides educational information only — donor suitability, availability, and process are discussed in detail at a dedicated consultation.
Lifestyle and supplements
No supplement or lifestyle change has been shown in robust clinical trials to meaningfully reverse age-related ovarian reserve decline. Dr. Shweta Agarwal will guide you on whether any adjunct is appropriate in your specific case — please do not self-medicate based on online recommendations.
When should I see a specialist?
You should seek evaluation if:
- You have been trying to conceive for 6 months (if you are 35 or older) or 12 months (under 35) without success.
- You have had ovarian surgery, chemotherapy, or radiation, and you are planning a future pregnancy.
- You have a family history of early menopause (before age 45).
- A routine blood test has flagged a low AMH value and you want to understand what it means for you.
- You want to understand your fertility window before deciding on timing.
Early evaluation does not commit you to any treatment — it simply gives you information to make an informed decision. Aansh Hospital & IVF Center provides consultations in Marathi, Hindi, and English.