Fertility Before Gender-Affirming Treatment: What to Decide, and When

Written by Dr. Ashutosh Shah, MS, MCh (Plastic Surgery), Consultant Plastic and Reconstructive Surgeon, Elegance Transgender Clinic, Surat. Reg. no. [REG NO].

Medically reviewed by Dr. Ashutosh Shah. Published 26 September 2026. Last reviewed 26 September 2026.

Fertility preservation before gender-affirming treatment means storing sperm or eggs while that is still possible. Some hormone effects may reverse and some do not. Removal of the testicles or ovaries ends fertility permanently. Testosterone is not a contraceptive, and pregnancy remains possible on it.

This page is not about whether you should want children. That is nobody's business but yours, and plenty of people reading this will already know the answer is no.

It is about the fact that some of these decisions can be revisited later and some cannot, and that the ones that cannot tend to come up early. Knowing which is which is worth ten minutes now.

Which treatments affect fertility, and which effects are permanent?

Hormone therapy may reduce fertility, and the effect may or may not reverse. Removal of both testicles or both ovaries ends it permanently, with no exceptions and no later options.

Guy's and St Thomas' NHS Foundation Trust puts the hormone position carefully, and the caution is the point: "Your fertility might only be temporarily affected with hormone therapy, meaning that sterility could be reversible. However, this is not guaranteed and can depend on how long you have hormone therapy."

On the oestrogen row, the same NHS service reports that most trans women taking oestrogen or anti-androgens, around seven in ten, stop making reproductive cells. That is a description of what usually happens, not a prediction about you.

Read the last three rows together and the shape of the decision becomes clear. Almost everything on this list is a question of probability and timing. Gonad removal is the one line that is absolute.

What has to be decided before starting rather than after?

Storage is easiest before hormones start, and impossible after the gonads are removed. Those two facts set the whole timetable.

The NHS advice is direct on the first point: "Although fertility preservation can be considered and discussed at any stage of transition, we generally advise having fertility preservation treatment before any gender affirming therapy."

The practical version, in order:

1. Before hormones. Storage is straightforward and needs no interruption to anything.
2. After hormones have started. Still possible in many cases, but usually requires stopping hormone therapy for months first, which some people find difficult for reasons that have nothing to do with fertility.
3. Before gonad removal. The last opportunity. After this point there is nothing left to store.
4. After gonad removal. No options remain.

Nobody is asking you to decide about children. The decision in front of you is narrower and more manageable: whether to keep the option open, and whether you would rather make that call at twenty or at thirty-five.

What does sperm storage involve?

Producing a sample, which is then frozen and kept. It is the simplest of these procedures by a considerable margin, with no operation and no medication.

The complication is timing. If oestrogen or anti-androgens have already started, Guy's and St Thomas' advises that "to make sure sterility is reversed, we advise you to consider temporarily stopping hormone therapy for 3 to 6 months before fertility preservation treatment".

Three to six months off hormone therapy is not a small ask. For some people it means a return of features they have worked to change, and that is a real cost, not a technicality. It is also precisely why storing before starting is worth raising early, when it costs nothing.

The same service is clear that after removal of both testicles, preservation cannot be offered, because that results in permanent sterility.

What does egg or ovarian tissue storage involve?

A course of daily injections to mature several eggs at once, monitoring scans, and a short collection procedure under sedation. It is more involved than sperm storage and it takes a few weeks.

Leeds Teaching Hospitals describes the stimulation as "small injections into the skin of the tummy or thigh over 10-14 days", followed by ultrasound monitoring and a collection of roughly thirty minutes under sedation.

The same page explains why testosterone has to pause first. Blockers and testosterone "switch off the pituitary gland which turns off the hormonal signal to the ovaries and prevents development of egg containing sacs and release of eggs after maturing". To collect eggs, that signal has to come back.

How long that takes is not fixed, and the same service does not pretend otherwise: you may need to be off the medication for several months, and there are no guarantees that normal ovarian function will be restored.

Two things are worth knowing before you picture this process:

• Internal ultrasound scans are usually part of monitoring. For some people that is straightforward and for others it is not. It can be discussed in advance, and it is a reasonable thing to raise at the first appointment rather than discovering on the day.
• Eggs, embryos and ovarian tissue are different options with different requirements. Which are available to you is a question for the fertility service, not for this page.

Why is testosterone not a form of contraception?

Because it was never designed or tested as one, and because periods stopping does not prove ovulation has stopped. This is the most important safety point on the page.

The CDC's 2024 US Selected Practice Recommendations for Contraceptive Use instructs clinicians to "counsel that testosterone use might not prevent pregnancy among transgender, gender diverse, and nonbinary persons with a uterus who are using testosterone", notes that testosterone therapy has not been studied as contraception, and advises offering contraceptive counselling to those at risk of pregnancy who do not want it.

There is a genuine tension here worth naming rather than smoothing over. Clinical descriptions of testosterone, including the Leeds page quoted above, correctly explain that it suppresses the signal that matures and releases eggs. That is true. It is not the same as reliable contraception.

Suppression is a usual effect. Contraception is a level of reliability that has been measured and demonstrated. Testosterone has the first and not the second, and the gap between them is where unintended pregnancies happen.

The practical consequence: if you have a uterus, could become pregnant, and do not want to be, testosterone is not the thing protecting you, and your periods having stopped does not change that.

What does needing contraception actually mean in practice?

It means one more conversation, separate from your hormone therapy, with someone who knows what you are taking. This page does not recommend a method, because which method suits you is an individual clinical decision.

What is useful to know going in:

• It is a separate decision. Starting or continuing hormone therapy does not answer it, and a clinician managing your hormones may not raise it unless you do.
• Absent periods are not the answer. That is the specific assumption the CDC guidance is written against.
• Tell whoever advises you that you take testosterone. It is relevant to the discussion and it should not be left for them to infer.
• Ask about both purposes if both apply. Some people want contraception, some want periods suppressed, some want both, and those are not automatically the same request.

If nobody in your care has raised contraception with you and pregnancy is possible, that is a gap in your care rather than a sign it does not apply to you.

What if you have already started treatment?

Most options are still open, with more effort. The only door that closes completely is gonad removal.

If you are on hormones and have not had surgery, storage is generally still possible after a pause of several months, with the caveats above about it not being guaranteed. That is a worse position than storing before starting, and it is a long way from no position at all.

If you have had both testicles or both ovaries removed, the NHS services quoted here state plainly that fertility preservation cannot be offered afterwards. If that is your situation, the conversation is a different one, about donor gametes, adoption, or the families people build in other ways, and it is a conversation worth having with someone rather than alone.

Nothing on this page is a reason for regret. People make the decisions that are right for them at the time with the information they have, and a page written afterwards is not a verdict on that.

What is realistic in India, and what does the law actually say?

Storage and fertility treatment are performed in India and are regulated by statute. What that statute means for a trans person is a question for the clinic and for a lawyer, and this page will not pretend otherwise.

What the Assisted Reproductive Technology (Regulation) Act, 2021 says, quoted directly:

• A "commissioning couple" is defined as "an infertile married couple who approach an assisted reproductive technology clinic or assisted reproductive technology bank for obtaining the services authorised of the said clinic or bank".
• A "woman" is defined as any woman above the age of twenty-one who approaches such a clinic or bank for its authorised services.
• Age limits apply: above twenty-one and below fifty for women, above twenty-one and below fifty-five for men.
• Consent is mandatory in writing: clinics and banks "shall not cryo-preserve any human embryos or gamete, without specific instructions and consent in writing from all the parties".
• Storage is capped at ten years. Gametes or embryos "shall be stored for a period of not more than ten years", after which they are allowed to perish or are donated to a research organisation.

That last point deserves more attention than it usually gets. If you store gametes at twenty-two, the statutory clock runs out at thirty-two. That is well inside the age at which many people decide about children, and it is not a detail to discover later.

On eligibility, the honest position is this. The definitions above are framed in terms that do not clearly address a trans person's situation, and I am not going to tell you what they mean for you, because a wrong answer here would affect your family rather than your search rankings. Ask the clinic directly what it is able to offer you, ask for the answer in writing, and take legal advice if the answer is unclear or inconsistent.

What do you say to a clinic that has not raised this with you?

Raise it yourself, plainly, and ask for the answer in your notes. You are not being difficult by asking, and it is a reasonable expectation that it would have been discussed.

Questions that get a useful answer:

• "What will this treatment do to my fertility, and is that reversible?"
• "If I want to store sperm or eggs, when is the latest I can do it?"
• "Would I need to stop treatment first, and for how long?"
• "Where would I go for storage, and can you refer me?"
• "Can I have what you have told me in writing, in my notes?"
• "Do I need contraception, and who do I discuss that with?"

If the answers are vague, that is information. Fertility discussion before gender-affirming treatment is a recognised part of good care, not an unusual demand, and a service that treats it as an obstacle is telling you something about how the rest of your care will go.

How is fertility discussed at Elegance Transgender Clinic, Surat?

Before the surgical conversation, not after it. Anything irreversible needs the fertility question settled first, because that is the point at which the options are still open.

In our practice in Surat, the pattern we see is not people deciding against storage. It is people who were never asked, arriving at the surgical consultation having already been on hormones for years, and hearing the question for the first time at the point where it is hardest to act on. That is a failure of sequencing rather than of anybody's judgement, and it is fixable by asking earlier.

What a discussion covers: what your planned treatment does to fertility, whether you want the option kept open, what storage would involve for you specifically, what a pause in hormone therapy would mean, where storage is available and how to be referred, and whether contraception is something you need advice about.

This clinic performs gender-affirming surgery. It does not run a fertility laboratory, and storage happens at a fertility service. Our role in it is to make sure the question is asked before the surgery that closes it, and to refer.

Related reading on this site covers what a top surgery result involves, the differences between metoidioplasty and phalloplasty, and facial feminisation surgery.
 

Next step

If you are considering gender-affirming treatment and nobody has discussed fertility with you, that is the conversation to have before anything else is booked. Contact us through the Elegance Transgender Clinic contact page in Surat, and say that fertility is what you want to discuss so the appointment is set up for it.

This article is for education and is not fertility counselling, medical advice or legal advice. Fertility options depend on your own treatment history and circumstances, and questions about eligibility under Indian law should be put to your clinic and to a qualified lawyer. Please discuss your own situation with a fertility specialist and with Dr. Ashutosh Shah or another qualified clinician.