In the fertility clinic, "how much fertility chance do I still have" is the most frequently asked question. Doctors usually use indicators such as age, AMH, and FSH to draw a "map" of your ovarian reserve. Understanding them often halves the anxiety—but the premise is grasping what each number represents and does not represent, rather than being scared by an isolated value.
AMH: The "Inventory Gauge" of Ovarian Reserve
AMH is secreted by small follicles; its value is relatively stable, can be tested at any time, and is not affected by the menstrual cycle. General reference: 2–6.8 ng/ml is the normal range, below 1 ng/ml suggests low reserve, and above 6.8 warrants caution for possible polycystic ovary. It reflects "inventory" but does not directly equal "whether you can get pregnant"; even with low inventory, pregnancy is still possible, only the opportunity window is narrower, requiring a more proactive grasp of time rather than passive waiting.
FSH: The "Stress Signal" of the Ovaries
FSH is tested on days 2–3 of the menstrual cycle. An elevated value (e.g., >10 IU/L) often suggests reduced ovarian response to stimulation; above 25 IU/L indicates clearly insufficient reserve. FSH fluctuates due to cycle, mood, and testing errors, so a single high reading is no cause for panic; it must be judged together with AMH and antral follicle count, avoiding being scared by one number or misled by one "normal" result.
AFC: The "On-Site Count" on Ultrasound
The antral follicle count (AFC) under transvaginal ultrasound is the third intuitive indicator, referring to the total number of small follicles 2–9 mm in diameter visible in the early menstrual phase. It is highly correlated with AMH and can verify the "inventory" judgment on site. Looking at all three (AMH, FSH, AFC) together is more reliable than any single one and better predicts stimulation response, serving as an important basis for the doctor's protocol.
Age: The Irreplaceable Baseline
Even with normal AMH, advancing age still brings declining egg quality. Ages 35, 38, and 40 are common "steps." Indicators reflect "quantity," while age also relates to "quality"—both are indispensable. Even if a younger woman's indicators are slightly low, her overall prognosis is usually still better than that of an older woman, which is why age is always considered first.
What to Do Below the Threshold
If indicators are low, there is no need to panic. The doctor may suggest seizing time, adopting a more active stimulation strategy, or adjusting lifestyle (regular routine, balanced nutrition, weight control). The key is early evaluation and early communication, turning data into an actionable plan rather than a psychological burden. Indicators are tools, not verdicts, and should not become a reason for self-denial.
Don't Rush to Conclusions After Getting the Report
Fertility evaluation is never "one value decides life or death." The same AMH means different things at different ages; FSH fluctuations within a single month are also common. It is recommended to give the report to a fertility doctor and make an overall judgment together with AFC, past pregnancy history, and the male partner's situation. If it suggests declining reserve, the focus is not panic but putting a plan on the agenda as soon as possible and keeping the initiative in your hands.
Reserve Protection You Can Do in Daily Life
Before and after evaluation, a regular routine, balanced diet, moderate exercise, and quitting smoking and limiting alcohol are all basic actions friendly to ovarian reserve. Being overweight or underweight affects ovulation, so it is advisable to stay within a healthy range. These do not change age, but they can secure a better physical state for subsequent treatment—the highest cost-effectiveness "upfront investment," and also give you more confidence when facing the protocol.
The numbers on the report are only a starting point. Placing them within your overall situation and having a professional doctor interpret them yields truly useful conclusions. Understanding the indicators is to meet the next step more calmly, not to speculate alone late at night.
This article is for science popularization and information sharing only, and does not constitute medical advice. Assisted reproduction plans must be formulated by the attending physician based on the individual's physical condition; individual outcomes vary and are subject to formal evaluation at a licensed medical institution.
