Age and fertility: when to see a fertility specialist

Age is the question almost everyone brings to a fertility clinic, and it is the one most often answered with a number. This guide deliberately gives none. Figures for the chance of a pregnancy at a given age depend on who was counted, where and when, and they say little about any one person; this directory holds no such figures for any clinic and publishes none. What the guide does set out is what is known about how age affects fertility and treatment, what the Assisted Reproductive Technology (Regulation) Act, 2021 says about age, and when it makes sense to see a fertility specialist rather than wait. It is written for patients and for the doctors who refer them, and it is not clinical advice. Everything it refers to can be found from the directory home.

What changes with age

For women, the central fact is about eggs. The HFEA, the UK fertility regulator, puts it in one sentence: “A woman's chances of conceiving naturally fall as she gets older because the quality and number of her eggs drops.” It makes the same point in its description of insemination: “As women age the number of available eggs naturally decreases”. The NHS draws the practical conclusion for anyone trying to conceive: “Fertility tests can take time and female fertility decreases with age, so it's best to make an appointment early.”

Age also matters for the pregnancy itself, not only for conceiving. The HFEA notes that “as you get older, there is more risk of pregnancy-related complications and health problems to both you and your baby.” That is a reason to plan ahead, and a reason for the clinic to ask about general health as well as fertility.

The most useful way to think about it comes from the HFEA's page on surrogacy, where the point is made about whose eggs are used: “The age of the woman who provides the egg is the most important factor that affects chances of pregnancy.” The age that matters most is the age of the egg, which is why freezing eggs earlier and using donor eggs both come up in the same conversation.

And for men

The sources this guide relies on say much less about a man's age than about a woman's, and this guide does not fill the gap with claims it cannot support. What they are clear about is that both partners need to be assessed. The NHS says “It's always best for both partners to visit the GP as fertility problems can affect either or both partners.” For a man the basic test is a semen analysis, which the NHS describes as a check “for problems with sperm, such as a low sperm count or sperm that are not moving properly.” The semen analysis page explains how it is done. The age of a female partner shapes decisions about male treatment too; the HFEA lists “your partner's age” among the factors in choosing between treatments after a vasectomy.

When to see a specialist

The usual threshold is a year. The ART Act defines infertility as “the inability to conceive after one year of unprotected coitus or other proven medical condition preventing a couple from conception”, and the NHS gives the same advice: “See your GP if you have not conceived after a year of trying through regular unprotected sex.”

A year is a ceiling, not a waiting period everyone must serve. The NHS says to go sooner if you “have any other reason to be concerned about your fertility, for example, if you've had treatment for cancer or you think you might have had a sexually transmitted infection (STI)”, and it treats age itself as a reason not to delay, because tests take time and fertility declines. Other reasons to go early include irregular or absent periods, a past pelvic infection or pelvic surgery, a known condition in either partner, and planned treatment that may damage fertility. In each of these cases the year adds delay without adding information.

Going early does not commit you to treatment. A first appointment is an assessment, and it often ends with tests and a plan to review them. The guide to a first consultation describes what happens at one.

What a specialist will check

The first assessment covers history and tests for both partners. For women, the NHS describes blood tests: “Samples of your blood can be tested for a hormone called progesterone to check whether you're ovulating.” Where periods are irregular, a further hormone test is offered, and an ultrasound “can be used to check your ovaries, womb (uterus) and fallopian tubes.” If the tubes may be blocked, further checks follow; the HFEA notes that insemination is possible only if the tubes are open, which is one reason they are checked early. For men, the semen analysis comes first. A test for chlamydia is commonly done for both.

The point of these tests, for someone worried about age, is that they turn a general worry into a specific picture. Two people of the same age can be in very different positions, and the tests are what tell them apart.

How age shapes the choice of treatment

Age changes which treatments a clinic is likely to suggest. Insemination is the simpler treatment, but the HFEA notes that older women may be advised to move straight to IVF even where insemination would otherwise be suitable. Its list of people who might be recommended IVF includes “Older women who are less likely to be successful with less invasive treatments.” The guide to choosing between IVF and IUI explains the two treatments side by side.

Age can also count against IVF itself. The HFEA is candid that “IVF might not be suitable for some people because it's very unlikely to succeed, particularly in the case of older women, or those who are at risk of premature menopause.” Its advice is direct: “You should talk to your doctor about your personal chances of success with IVF.” A clinic should be able to discuss your own chances using your own test results, without relying on averages.

Age affects decisions inside a cycle as well. On how many embryos to transfer, the HFEA says “In some cases a clinic may decide it's appropriate for women to have more than one embryo put back.” Indian law sets a ceiling regardless of age: “not more than three oocytes or embryos may be placed in the uterus of a woman during the treatment cycle”. The guide to the IVF process explains how that decision is made.

Freezing eggs earlier

For someone who is not ready to have a child, the age of the egg is the reason egg freezing exists. The HFEA describes it as “an attempt to preserve fertility by freezing the eggs when the woman is young and the eggs are of the highest quality.” It is equally clear about the limits: it calls egg freezing “becoming more successful but by no means a guarantee of having a baby”. The guide to egg freezing and fertility preservation covers the procedure and the law, and the egg freezing page describes the treatment.

Donor eggs

Where a woman's own eggs are unlikely to lead to a pregnancy, donor eggs are the other route, and the Act sets out who may donate. Under section 27(2)(b), banks shall “obtain oocytes from females between twenty-three years of age and thirty-five years of age”, and section 27(4) says “An oocyte donor shall donate oocytes only once in her life”. The guide to donor eggs and donor sperm explains the rest of those rules, and the egg donation page describes the treatment.

The legal age limits for treatment

Indian law sets limits on who a clinic may treat. Section 21(g) of the Act says clinics shall apply assisted reproduction “to a woman above the age of twenty-one years and below the age of fifty years” and “to a man above the age of twenty-one years and below the age of fifty-five years”. These limits are part of the law, not a clinic's own policy. If either partner is near one of them, raise it at the first appointment, because it affects what can be planned and how quickly.

The limits say who may be treated, not who is likely to conceive. A clinic that agrees to treat you within them is still bound by section 21(c) to “provide professional counselling to commissioning couple and woman about all the implications and chances of success of assisted reproductive technology procedures in the clinic”.

Be careful with numbers you are given

Because age matters so much, it is the area where clinics' published results are easiest to misread. If a clinic quotes figures, ask how they were counted, for which age group, over what period and from how many patients. This directory publishes no success rates for any clinic, and the how we rank page explains why. Be wary too of extras offered as a way to overcome age. Of the commonly offered add-ons, the HFEA says “there is no conclusive evidence that any of the commonly offered add-ons increase the chance of a pregnancy.”

Questions to ask

• Given my age and history, should I be investigated now rather than wait?
• Which tests will you do for each of us, and what will each tell us?
• Based on our results, which treatments would you consider, and what would decide between them?
• How does my age change your advice on IUI or IVF?
• If I am considering egg freezing, what do you expect from my own test results?
• If donor eggs may be an option, which registered bank do you work with?
• If you quote me results, how were they counted, and for which age group?

For doctors referring a patient

The most useful thing a referring doctor can do for a patient worried about age is not to make her wait out the year when there is a reason to refer early. Say in the referral why you are referring sooner, list any investigations already done with their dates, and name both partners so the clinic can see them together. Where IVF may be needed, refer to a clinic whose laboratory is registered at Level 2; the guide to clinic levels explains what that means.

Finding a specialist

The clinics index covers every state, and city pages such as Chennai and Delhi list the registered clinics in each place. Pages such as egg freezing in Bengaluru list the clinics in a city that name the treatment on their own website, which is the clinic's own statement rather than a check of its laboratory. Each clinic page shows the registration number recorded in the National ART & Surrogacy Registry extract, and the fertility doctors index lets you look a doctor up by name. The treatments index describes each treatment mentioned here.

Where this guide comes from

Statements about the law are quoted from the Assisted Reproductive Technology (Regulation) Act, 2021. Statements about age and fertility are quoted from the patient pages of the UK's Human Fertilisation and Embryology Authority (HFEA) and from the NHS. Those sources also publish figures by age; this guide quotes none of them, because a figure for a group is not a forecast for a person. Facts about clinics come from the National ART & Surrogacy Registry extract this directory holds and from each clinic's own website. Nothing in this guide is clinical advice, and nothing in it is sponsored.