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Research & insights

Menotropins Evidence: Randomized Trials, Pregnancy and OHSS

By NHD Technical TeamPublished Updated Sep 8, 2026

Menotropins trials evaluate named, standardized fertility medicines within monitored protocols. Their outcomes cannot be transferred to an undefined hMG mixture or reduced to a generic FSH-plus-LH claim.

Evidence at a glance

  • A 620-participant trial compared highly purified hMG with recombinant FSH in predicted high responders.
  • Ongoing pregnancy was 35.5% versus 30.7%; the difference was 4.7 percentage points with a 95% CI from −2.7 to 12.1.
  • OHSS occurred in 9.7% versus 21.4%, while cumulative live birth was 50.6% versus 51.5%.
Documentary randomized-trial statistics review for Menotropins
AI-generated editorial illustration illustrating the research workflow. It is not a study figure, patient image, product photograph, assay result or catalog lot.

Study record

The high-responder trial preserved several outcomes rather than reporting only pregnancy. Similar cumulative live birth alongside different OHSS rates shows why both benefit and safety endpoints belong in the summary.

MEGASET-HR620 women; randomized, open-label, assessor-blinded noninferiority
Ongoing pregnancy35.5% HP-hMG versus 30.7% rFSH
OHSS9.7% versus 21.4%
Cumulative live birth50.6% versus 51.5%
Older ovulation trial91 HP-hMG versus 93 rFSH; ovulation 85.7% versus 85.5%

Results in context

In a separate WHO group II anovulatory-infertility trial, ovulation rates were almost identical. OHSS or excessive-response cancellation was 2.2% versus 9.8% with p=0.058; that p value should not be rewritten as a definitive difference.

DailyMed describes Menopur as postmenopausal-urine-derived material containing 75 IU FSH and 75 IU LH activity per vial, with hCG detectable. The label and trial findings apply to that regulated preparation and monitored use.

What the evidence cannot establish

Open-label designs and selected fertility populations limit generalization.

Pregnancy, live birth and OHSS should not be collapsed into one efficacy score.

Trial evidence for Menopur or another named product does not validate research hMG.

Sources & editorial method

This article discusses the source records listed below, with the study models and limitations stated alongside the findings. AI-assisted drafting and image generation were used. The reference list identifies the records behind this article; it is not an independent peer review or verification of a supplied catalog lot.

3 linked records are listed in the references below. Read the editorial and AI-assistance policy.

How to interpret this article

Source-checked on 2026-09-02. Null results, sample size, model/population limits, finished-drug scope, regulatory status and product-evidence boundaries are retained. This is not medical advice, a customer case or validation of a catalog lot.

Research-use boundary: Catalog materials discussed on this website are for laboratory research, development and manufacturing use only, not for human or veterinary use. This content is not medical advice and does not provide administration instructions.

Primary records and authoritative sources

  1. DailyMed Menopur labelOfficial product description, potency, source and safety context.
  2. Highly purified hMG versus recombinant FSH in high responders620-participant randomized noninferiority trial; PMID 32416978.
  3. HP-hMG versus recombinant FSH in WHO group II infertility184-participant randomized trial; PMID 16571641.
Research pathways

Continue with structured records

Move from this editorial analysis to the product identity, filtered evidence and controlled terminology behind it.

Editorial source check: Site evidence editorial team · 2026-09-02