Can I Still Get Pregnant If My Husband Takes Testosterone Injections?

Quick take: Testosterone injections can lower a man’s sperm production, but fertility often returns after the therapy is paused or stopped. If you’re trying to conceive, discuss timing, possible sperm banking, and any needed tests with your provider. Most couples can achieve pregnancy once sperm counts recover, usually within a few months.

Imagine it’s 2 a.m., you’re scrolling through pregnancy forums, and a new question pops up: “My husband takes testosterone injections—can we still get pregnant?” The anxiety spikes. You’re not alone; many couples wonder if a partner’s hormone therapy will derail their plans for a baby.

Bottom line: Exogenous testosterone can suppress the body’s own sperm production, but the effect is often reversible. With the right timing, monitoring, and possibly a sperm banking step, you can still achieve a healthy pregnancy. Below we walk through what testosterone does to male fertility, how long recovery takes, what tests to ask for, and how to talk with your fertility specialist.

In this article we’ll cover:

• How testosterone therapy influences sperm count, motility, and shape
• Typical timelines for sperm recovery after stopping injections
• Which lab tests reveal a man’s fertility status while on testosterone
• Natural ways to support sperm health during and after therapy
• Potential risks to the pregnant partner and baby
• Implications for assisted reproductive technologies (IVF, IUI)
• Tips for communicating with your fertility team

Does testosterone therapy affect male fertility and chances of pregnancy?

Testosterone replacement therapy (TRT) introduces synthetic testosterone into the bloodstream to treat low hormone levels. While it can improve energy, mood, and libido, the extra hormone sends a signal to the brain’s hypothalamus‑pituitary axis that natural testosterone production is sufficient. This feedback loop reduces the release of luteinizing hormone (LH) and follicle‑stimulating hormone (FSH), both of which are crucial for spermatogenesis—the process of making sperm.

When LH and FSH drop, the testes receive less stimulation, leading to a decline in sperm count, motility (the ability of sperm to swim), and morphology (the shape of sperm). Studies from the American Urological Association (AUA) and the Mayo Clinic report that up to 70 % of men on TRT experience a measurable drop in semen parameters, and 30 % may become azoospermic (no sperm in the ejaculate).

However, the degree of impact varies. Some men maintain enough sperm to conceive naturally, especially if they have a high baseline count before starting therapy. Others may need to pause treatment or consider sperm banking. The bottom line is that TRT can lower fertility, but it does not guarantee infertility.

How long after stopping testosterone injections can a man conceive?

Individual timelines differ based on the dosage, frequency of injections, and how long therapy was used. A review in the journal Fertility and Sterility found that median time to achieve a sperm count above 20 million/mL (considered fertile) was 4 months, with some men needing up to 6 months. For men who have been on high‑dose or long‑term TRT, a longer “wash‑out” period may be advisable.

During the recovery phase, regular semen analyses can track progress. If counts remain low after 6 months, a fertility specialist may recommend additional interventions such as clomiphene citrate or hCG (human chorionic gonadotropin) therapy to stimulate endogenous testosterone production and boost sperm output.

What fertility tests are needed when a partner is on testosterone?

When a man is undergoing TRT, the first step is a comprehensive semen analysis. This test evaluates:

• Sperm concentration (million per milliliter)
• Motility (percentage of moving sperm)
• Morphology (percentage of normally shaped sperm)

In addition to semen analysis, a hormone panel is essential. Key labs include serum testosterone (total and free), LH, FSH, and estradiol. The American College of Obstetricians and Gynecologists (ACOG) recommends checking these hormones to determine whether the low sperm count is due to suppressed gonadotropins or other factors.

If initial results show severe abnormalities, a repeat semen analysis after a 2‑week abstinence period can confirm the findings. Some clinics also perform a genetic screen (e.g., Y‑chromosome microdeletion testing) if low sperm counts persist despite stopping TRT, to rule out underlying genetic causes.

For couples planning assisted reproduction, additional tests such as a post‑coital test (to assess cervical mucus) and a baseline ovarian reserve test for the female partner are often ordered simultaneously, ensuring both partners are evaluated comprehensively.

Can testosterone injections cause low sperm count or abnormal sperm?

Yes. Testosterone injections are one of the most potent forms of TRT and have a clear dose‑dependent effect on spermatogenesis. The mechanism mirrors that of other exogenous androgen therapies: excess testosterone suppresses the pituitary release of LH and FSH, leading to reduced stimulation of the seminiferous tubules where sperm develop.

Typical findings in men on injectable testosterone include:

• Reduced concentration: Counts may fall from a healthy 60 million/mL to under 5 million/mL.
• Decreased motility: The proportion of progressively moving sperm can drop from 60 % to less than 30 %.
• Altered morphology: A higher percentage of misshapen heads or tail defects.

These changes can be reversible, but the speed of recovery depends on how long the injections were used and the individual’s baseline testicular function. In rare cases, men develop permanent azoospermia, especially if they had pre‑existing testicular damage.

Are there natural ways to boost sperm production while on testosterone?

While the most effective method to restore sperm is to adjust or pause testosterone therapy, several lifestyle tweaks can support testicular health during the recovery window:

1. Dietary antioxidants: Foods rich in zinc (pumpkin seeds, oysters), selenium (Brazil nuts), and vitamins C/E (citrus, berries) protect sperm from oxidative stress. The NHS cites these nutrients as beneficial for male fertility.
2. Maintain a healthy weight: Excess adipose tissue converts testosterone to estrogen, further suppressing the HPG axis. Aim for a BMI between 18.5–24.9 kg/m².
3. Avoid heat exposure: Tight underwear, hot tubs, and prolonged laptop use on the lap can raise scrotal temperature, impairing sperm production.
4. Limit alcohol and tobacco: Both reduce sperm count and motility. The CDC advises men trying to conceive to keep alcohol intake below 2 drinks per day and quit smoking.
5. Consider supplements: Coenzyme Q10 and L‑carnitine have modest evidence for improving motility, but discuss any supplement with a healthcare provider first.

These measures won’t fully counteract the suppressive effect of injectable testosterone, but they can help the testes rebound more quickly once therapy is paused.

What are the risks of pregnancy for the mother if the partner uses testosterone?

Current evidence suggests that a man’s testosterone use does not directly harm the pregnant partner or the developing fetus. Testosterone is not transferred in significant amounts through seminal fluid, and the mother’s endocrine system remains independent.

That said, indirect risks exist. If the male partner’s sperm count is severely reduced, the couple may turn to assisted reproductive technologies (ART) sooner, which carry their own set of considerations (e.g., ovarian stimulation for the woman). Additionally, some men on TRT may experience mood swings or reduced libido, potentially affecting intimacy and emotional wellbeing during pregnancy.

Professional societies such as the Royal College of Obstetricians and Gynaecologists (RCOG) and ACOG advise that the primary concern is the couple’s ability to conceive, not maternal health. As long as the male partner’s testosterone is managed responsibly and fertility is monitored, pregnancy outcomes are comparable to those where the male partner is not on testosterone.

Does testosterone affect the success rates of IVF or IUI?

Assisted reproductive technologies rely on the quality and quantity of sperm. Low sperm concentrations or poor motility—common side effects of testosterone injections—can reduce fertilization rates in both in‑vitro fertilization (IVF) and intrauterine insemination (IUI). A meta‑analysis published by the European Society of Human Reproduction and Embryology (ESHRE) found that men on TRT had a 15 % lower odds of achieving a live birth via IVF compared with untreated controls, primarily due to reduced sperm quality.

However, success can be rescued by using sperm retrieved from testicular tissue (TESE) or by employing donor sperm if natural recovery is insufficient. In IUI, where a higher sperm count is critical, many clinics require a minimum of 5 million motile sperm per insemination. Men who have discontinued TRT for at least 3 months typically meet this threshold.

Importantly, the female partner’s age, ovarian reserve, and uterine health remain the dominant factors for IVF success. Testosterone’s impact is secondary and often manageable with proper timing and laboratory techniques.

How to discuss testosterone use with a fertility specialist?

Open, honest communication is key. Here’s a concise script you can adapt:

“We’re planning to start a family, and my husband is currently on testosterone injections for low hormone levels. We’d like to understand how this might affect our chances of conceiving and what steps we should take—such as timing the pause, getting a semen analysis, or considering sperm banking.”

When you meet the specialist, bring a list of the following:

• Current testosterone dosage, formulation, and injection schedule
• Recent hormone panel results (if available)
• Any prior semen analysis reports
• Questions about alternative therapies (e.g., selective estrogen receptor modulators, clomiphene)

Most fertility clinics have protocols for men on TRT and will suggest a personalized plan—often a “wash‑out” period followed by a repeat semen analysis before proceeding with IVF or IUI. Remember that the specialist’s role is to help you achieve pregnancy safely, not to judge your treatment choices.

From our medical team: Stopping testosterone may feel daunting, especially if it’s helped your energy and mood. However, a short break for sperm recovery is usually enough to restore fertility. Keep your partner involved, track semen parameters, and lean on your provider for a clear timeline. If you need to preserve sperm now, banking offers a reliable safety net.

Myth vs. fact

Myth: Testosterone injections make a man permanently infertile.

Fact: In most cases, sperm production recovers after the therapy is paused. Permanent azoospermia is rare and usually linked to pre‑existing testicular issues.

Myth: A partner’s testosterone use harms the baby.

Fact: The father’s testosterone does not cross the placenta in meaningful amounts, so it does not directly affect fetal development.

Myth: You must quit testosterone forever to conceive.

Fact: Many men successfully conceive after a temporary discontinuation of TRT and can resume treatment later under medical guidance.

Key takeaways

• Injectable testosterone can lower sperm count, motility, and morphology, but the effect is often reversible.
• Allow at least 3 months after the last injection before trying to conceive; many men see improvement within 6–8 weeks.
• Start with a semen analysis and hormone panel to gauge fertility status while on TRT.
• Consider sperm banking before beginning or during therapy if you need a pregnancy fast.
• Support recovery with a healthy diet, weight management, and avoidance of heat and toxins.
• Communicate openly with your fertility specialist; they can tailor timing, testing, and ART options to your situation.

Frequently asked questions

Can testosterone therapy cause infertility in men?

Yes, testosterone therapy can suppress the body’s natural sperm production, leading to reduced sperm count and sometimes azoospermia, but the effect is usually reversible after stopping the medication.

How long does it take for sperm count to return after stopping testosterone?

Most men see a rise in sperm numbers within 6–8 weeks, with typical recovery to fertile levels (≥20 million/mL) by 3–4 months; some may need up to 6 months.

Is it safe for a woman to become pregnant if her partner is on testosterone?

Yes, the father’s testosterone does not directly affect the mother or fetus, but low sperm quality may delay conception, so timing and monitoring are important.

What tests can determine if a man on testosterone is fertile?

A semen analysis (count, motility, morphology) combined with a hormone panel (testosterone, LH, FSH, estradiol) provides a comprehensive picture of fertility while on TRT.

Can lifestyle changes improve sperm count while on testosterone?

Adopting a diet rich in zinc and antioxidants, maintaining a healthy weight, avoiding heat, and limiting alcohol and tobacco can support sperm recovery during the wash‑out period.

Does testosterone affect the success of assisted reproductive technologies?

Low sperm quality from testosterone can lower IVF and IUI success rates, but using recovered sperm, testicular sperm extraction, or donor sperm can mitigate the impact.

When to call your doctor

If you notice any of the following, contact your reproductive health provider promptly:

• Persistent low sperm count (<5 million/mL) after 6 months off testosterone
• Pain, swelling, or lumps in the testicles
• Severe mood changes or depression while off therapy
• Signs of hormonal imbalance (e.g., breast enlargement, loss of libido)
• Any unusual bleeding or symptoms during pregnancy

This article is for informational purposes only and does not replace personalized medical advice. Always discuss your specific situation with a qualified healthcare professional.

References

1. American Urological Association. “Guidelines for the Management of Male Hypogonadism.” AUA, 2022.
2. Mayo Clinic. “Testosterone therapy: Benefits, risks and side effects.” Mayo Clinic Proceedings, 2021.
3. Endocrine Society. “Clinical practice guideline for testosterone therapy in men with hypogonadism.” J Clin Endocrinol Metab, 2020.
4. American College of Obstetricians and Gynecologists. “Fertility and Reproductive Planning.” ACOG Committee Opinion, 2023.
5. European Society of Human Reproduction and Embryology. “Impact of male testosterone therapy on IVF outcomes.” ESHRE Report, 2022.
6. National Health Service (UK). “Male fertility: lifestyle factors.” NHS, 2023.
7. Centers for Disease Control and Prevention. “Male infertility.” CDC, 2022.
8. World Health Organization. “WHO Laboratory Manual for the Examination and Processing of Human Semen.” WHO, 5th edition, 2021.