Reviewed by the PeptideMind Team · Updated August 5, 2026
HMG Peptide (Menotropin) Dosage Guide, Benefits & Side Effects
HMG peptide (menotropin) blends FSH and LH to trigger ovulation, support IVF protocols, and restore spermatogenesis in men. Dosage, timing, and side effects explained.
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What is HMG?
Human Menopausal Gonadotropin (HMG) is a fertility medication made from hormones found in the urine of postmenopausal women, containing a natural mix of two key reproductive hormones (FSH and LH). It's used clinically to stimulate the ovaries or testes directly, commonly as part of IVF treatment or to treat certain fertility disorders. Treatment typically involves daily injections over one to several weeks, depending on whether it's used for women or men.
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What Does HMG Do?
One part of this hormone mix attaches to receptors that mature egg-producing cells in women or sperm-producing cells in men; the other part attaches to receptors that drive the ovaries or testes to produce their own hormones, including testosterone. Together, the two halves stimulate the reproductive organs directly.
FSH matures cells
One part attaches to receptors that mature egg- or sperm-producing cells.
LH drives hormones
The other part attaches to receptors that produce testosterone and other hormones.
Works on both halves
Together, the two halves stimulate the reproductive organs directly.
HMG Targeted areas
Frequently Asked Questions About HMG
Straight answers on reconstitution, dosing, and safety, everything you need to research with confidence. For research reference only.
HMG Reconstitution Guide
HMG is supplied as a freeze-dried powder that must be mixed into a injectable solution before use. Available in 75IU sizes.
75 IU lyophilized vial
HMG is supplied as a freeze-dried powder that must be mixed into a injectable solution before use. Available in 75IU sizes.
1 mL bacteriostatic water
Adding 1 mL of bac water to a 75 IU vial gives a workable concentration for syringe dosing. More water makes microdosing easier; less concentrates each draw.
Storage after mixing
Freeze the dry powder, though it can handle room temperature for a few weeks. Once mixed with liquid, refrigerate and use within about a week, or keep it well below freezing for longer, avoiding repeated freezing and thawing. After reconstitution, keep the vial refrigerated and use within 30 days.
Reconstitution steps
Remove caps & sanitize stoppers
Attach needle to syringe
Draw 1 mL bacteriostatic water
Insert needle into HMG vial
Release water gently down the side
Swirl to dissolve — don't shake
Check for full dissolution
Refrigerate HMG — good for 30 days
What Are the Benefits of HMG?
What research says it may help with, and how it works in the body.
female fertility fdaapproved
Used in IVF treatment to stimulate the development of multiple egg follicles at once.
Effectively triggers ovulation in women with polycystic ovary syndrome (PCOS).
Stimulates egg-containing follicles to develop in women who aren't ovulating on their own.
male fertility
Contains two hormones: one (FSH) that promotes sperm production, and another (LH) that stimulates testosterone needed for sperm to develop.
Treats male infertility caused by the body not producing enough of the hormones that signal the testicles to work (gonadotropins).
testosterone support
One of its hormone components (LH) stimulates the testicles to produce testosterone.
What Are the Side Effects of HMG?
Who should avoid it, warning signs to watch for, and what to know before combining it with other compounds.
Who Should Avoid It
Primary ovarian failure
Uncontrolled thyroid or adrenal dysfunction
Sex hormone-dependent tumors
Abnormal uterine bleeding of unknown cause
Ovarian cysts (not due to PCOS)
Pregnancy
Stop Right Away If You Notice
Severe abdominal pain or bloating
Rapid weight gain
Difficulty breathing
Nausea and vomiting
Decreased urination
Milder Signs to Watch For
Is HMG FDA approved?
HMG is FDA approved.
FDA Approved
HMG has been reviewed and approved by the FDA for safety and efficacy in its approved indications.
Regulated Manufacturing
Manufactured under FDA-regulated quality standards, ensuring consistent purity and dosing.
Prescription Use
Legally available by prescription for its approved medical indications.
HMG Cycle Length: How Long Should It Last?
This breaks down how long a typical HMG cycle runs and what research suggests happens at each stage. Research shows that staying on a peptide continuously, without a break, may make it less effective over time.
That's why most research protocols build in a break between cycles, often called a washout period, to let the body reset before starting again.
- Day 1-3
- Follicular recruitment begins
- Day 4-7
- Follicular growth continues; monitoring required
- Day 8-12
- Follicles reach mature size; trigger ovulation
- Week 0-0
- Ovulation occurs ~36 hours after hCG trigger
HMG Research References
It is a fda approved compound
HMG
HMG is a fda approved compound
No significant differences in pregnancy rates between FSH alone, rFSH+HMG, and rFSH+rLH groups.
n.d.
Beneficial effects of HMG on fertilization rates and pre-embryo development compared to HP-FSH.
n.d.
HMG contains FSH and LH in 1:1 ratio extracted from postmenopausal urine.
n.d.
Generic hMG products do not adversely affect pregnancy rates and are appropriate cost-effective alternatives.
n.d.