Myths vs Facts — Trans Masculine HRT
Myth 1: "Testosterone makes you angry and aggressive"
Fact: Testosterone therapy does not cause uncontrollable rage or aggression in most people.
While some trans men report increased assertiveness and confidence, pathological aggression is not a typical effect of T therapy when levels are within the normal male range (300–1,000 ng/dL). Irritability can occur if levels are too high (supraphysiological), which is why regular blood testing is important.
Myth 2: "You'll lose your fertility immediately"
Fact: Fertility decreases over time but is not reliably predictable.
Menstrual cycles typically stop within 2–6 months, but this does not mean ovulation stops completely. Some trans men have become pregnant after years on T. The effect on fertility varies and may be reversible or permanent.
HRT is NOT birth control
Pregnancy is possible even while on testosterone. Use reliable contraception if pregnancy is a concern.
Myth 3: "Testosterone causes permanent damage to your voice"
Fact: Testosterone deepens the voice by thickening the vocal cords. While permanent, this is a desired effect — not damage.
The voice drop typically occurs over 6–12 months and results in a normal masculine voice range. The extent of the drop varies; some trans men's voices pass easily, while others may benefit from voice training.
Myth 4: "T makes you bald"
Fact: Testosterone can cause male pattern baldness in people with a genetic predisposition, but it doesn't cause hair loss in everyone.
Androgenetic alopecia (male pattern baldness) is determined by your genetics — specifically the androgen receptor gene. If your male relatives (father, grandfathers, uncles) have baldness, you're more likely to experience it. Finasteride or minoxidil can help slow or prevent hair loss.
Myth 5: "Bottom growth is sexual dysfunction"
Fact: Bottom growth (clitoral enlargement) is a normal and expected effect of testosterone therapy.
The clitoris grows from ~3–5 mm to typically 1–3 cm, with some individuals reaching 4–5 cm. This is caused by DHT (a potent metabolite of T) binding to androgen receptors in genital tissue. It does not impair sexual function — most trans men report it improves satisfaction.
Myth 6: "Testosterone causes uncontrollable acne"
Fact: Acne is common but usually manageable.
Testosterone increases sebum production, which can cause acne, especially in the first 1–2 years. For most trans men, acne is mild to moderate and can be managed with:
- Gentle cleansing routines
- Over-the-counter benzoyl peroxide or salicylic acid
- Dermatologist-prescribed treatments for severe cases
Severe cystic acne is less common and requires medical treatment.
Myth 7: "Your bones will weaken on T"
Fact: Testosterone is protective of bone health.
Testosterone maintains bone density directly and through its aromatisation to estradiol. Trans men on T therapy typically have normal to above-normal bone density. The risk is if both T and E2 are low simultaneously — which should not happen with proper dosing.
Myth 8: "T causes heart attacks"
Fact: The risk of cardiovascular events in trans men on testosterone is low and not clearly elevated compared to cisgender men.
Some studies show small changes in lipid profiles (lower HDL) and increased hematocrit, but the overall cardiovascular risk in otherwise healthy trans men is low. Monitoring blood pressure, lipids, and hematocrit is important.
Myth 9: "You have to be on injections"
Fact: Testosterone comes in many forms — injections, gel, patches, pellets, and buccal tablets.
Injections are the most common and affordable, but gel is a popular alternative for people who prefer steady levels or can't do injections. Choose the method that works best for your lifestyle.
Myth 10: "You can't bind while on T"
Fact: You can bind on T, but your chest tissue may change.
Testosterone can decrease breast tissue density and reduce overall chest volume, which may make binding easier for some. However, binding tight enough to flatten a larger chest carries the same risks as for anyone — rib bruising, breathing difficulty, and skin damage. Use safe binding practices regardless.
Myth 11: "DIY T is easy because it's the same as steroids"
Fact: DIY testosterone carries significant legal risks because T is a controlled substance in most countries.
Unlike estradiol, testosterone is classified as a controlled substance (anabolic steroid) in the US (Schedule III), UK (Class C — note for UK readers: possession without prescription can lead to prosecution), EU, Australia, and Canada. Importing or possessing it without a prescription can carry serious legal penalties. This does not mean DIY is impossible, but the risk profile is very different from DIY estrogen.
Myth 12: "A hysterectomy is required for long-term T use"
Fact: A hysterectomy is not required to take testosterone.
There is no medical requirement to have a hysterectomy to stay on T long-term. Some trans men choose to have one for dysphoria relief or to eliminate the need for gynaecological exams, but it is not medically necessary. However, some providers recommend discussing endometrial health monitoring if you retain your uterus and have been on T for many years.
Myth 13: "T will make you pass immediately"
Fact: Passing as male takes time and depends on many factors.
Voice drop, facial hair, and fat redistribution take months to years. Many trans men do not consistently pass until 1–2 years on T. Some features (height, voice range, bone structure) may never fully align with cis male averages. Passing is not a requirement for being valid as a trans man.
Myth 14: "Metoidioplasty isn't worth it if you're 'small'"
Fact: Bottom growth sufficient for metoidioplasty is common.
Most trans men achieve enough bottom growth (3–5 cm) for metoidioplasty, a surgical procedure that releases the clitoris to create a small phallus. The amount of growth depends on genetics and T levels. A urologist can assess your suitability.
Myth 15: "You can't get pregnant on T"
Fact: Pregnancy is possible on testosterone.
Testosterone suppresses menstruation for most trans men, but ovulation can still occur. Documented cases of pregnancy in trans men on T exist. If you have a uterus and ovaries and are sexually active with someone who can impregnate you, use contraception unless you want to become pregnant.
References
Hembree WC, et al. (2017). Endocrine Treatment of Gender-Dysphoric/Gender-Incongruent Persons. JCEM. https://academic.oup.com/jcem/article/102/11/3869/4157558
WPATH (2022). Standards of Care, Version 8. https://www.tandfonline.com/doi/full/10.1080/26895269.2022.2100644
Deutsch MB, ed. (2016). Guidelines for the Primary and Gender-Affirming Care of Transgender and Gender Nonbinary People. UCSF Transgender Care.