HMG

weak data

Also seen as: Human Menopausal Gonadotropin

The Dose Guy’s verdict

Sep 1, 2026
2 sources

The fertility tool, not the physique tool. HMG delivers both FSH and LH activity in one shot, the heavy artillery for restoring spermatogenesis when hCG alone has not brought it back. If you have been shut down for a long time and need to conceive, HMG is the escalation that works. It requires clinic-level monitoring and it is overkill for anything except genuine fertility recovery. For standard PCT or axis restart, the simpler tools come first.

Would I take it?Yes, when fertility is the mission.

What it is

Human menopausal gonadotropin, a purified urinary extract that provides both FSH and LH activity. In fertility medicine it is a cornerstone drug for ovarian stimulation in IVF, backed by one of the deepest Cochrane reviews on the shelf. For men, the relevance is specific: hCG mimics LH and keeps Leydig cells producing testosterone, but it does not supply FSH. FSH is what drives the Sertoli cells that actually mature sperm. When a long shutdown has left spermatogenesis stalled despite hCG, HMG adds the missing half of the signal.

Gonadorelin works upstream, telling the pituitary to produce its own LH and FSH. HMG bypasses the pituitary entirely and delivers the gonadotropins directly. That makes HMG the option when the pituitary is not responding adequately, or when you need both signals guaranteed.

What the research shows

The evidence base is overwhelmingly in female IVF. The Cochrane data is definitive for that setting, and it tells you both how well HMG works and how safe it is:

Across 15 studies and 4,793 participants, live birth was lower with recombinant FSH than with HMG or HP-HMG, odds ratio 0.83. Across 37 studies and 9,813 participants, ovarian hyperstimulation was higher with recombinant FSH than with HMG or HP-HMG, odds ratio 1.42.Cochrane 2026 · 59 RCTs · n=18,119

In a noninferiority trial, live-birth rates were 44.1% with the HP-HMG pen and 42.2% with HP-HMG powder after fresh transfer.Reprod Biomed Online 2026 · RCT · n=401

No published trial studies HMG specifically for fertility recovery in men after anabolic steroid use.as of Aug 2026

Realistic protocols

For post-cycle fertility recovery in men, HMG is typically 75 IU subcutaneously or intramuscularly three times a week, added to an existing hCG protocol. Sub-q is common in practice and pairs naturally with the sub-q hCG most protocols already use. The hCG keeps Leydig cells producing testosterone. The HMG adds the FSH that drives spermatogenesis. Duration is three to six months minimum, because spermatogenesis takes roughly 74 days per cycle and often needs more than one cycle to fully restart after prolonged suppression. Semen analysis drives the timeline, not the calendar.

This is not a DIY project in the way that a SERM PCT is. The monitoring requirements are real, and the men who run HMG successfully are working with a fertility clinic or a knowledgeable TRT provider. If your only goal is axis restart for testosterone production rather than active fertility, hCG plus a SERM is almost always enough and far simpler to run.

Standard75 IU sub-q or IM 3x/weekAdded to hCG. The FSH signal that hCG alone does not provide.

Higher dose150 IU 3x/weekIf semen analysis shows insufficient response after 3 months.

Duration3–6 months minimumSpermatogenesis is slow. Expect months, not weeks.

Monitoringbloods + semen analysisFSH, LH, testosterone, and sperm count drive the protocol.

Side effects

HMG is well characterized in women. Male-specific side-effect data is thin:

commonInjection-site pain and swelling, more with IM than sub-q.

monitorEstrogen rise from gonadotropin-driven testosterone production. Can cause gynecomastia, bloat, and mood changes. An aromatase inhibitor may be needed alongside.

anecdotalMood swings and emotional reactivity during the hormonal restart, reported by men and consistent with the axis coming back online.

unknownMale-specific safety data for prolonged HMG use is thin. The drug is well characterized in women for IVF, but long-term gonadotropin stimulation in men recovering from anabolic steroid use has not been studied systematically.