# Cetrorelix (Cetrotide)

> GnRH antagonist used in IVF to prevent premature ovulation.

Source: https://peptides.cafe/peptide/cetrorelix
Category: GnRH Antagonist · Reproductive
Tag: FDA-Approved · Fertility

## Mechanism
Synthetic decapeptide that competitively blocks pituitary GnRH receptors, preventing LH surge during controlled ovarian stimulation.

## Research areas
- IVF / controlled ovarian stimulation

## Common research protocols
- IVF cycle: 0.25 mg SC daily, or single 3 mg dose during stimulation.

## Study summaries
- "Cetrorelix in ART" — Human Reproduction (2000): Effective prevention of premature LH surge with simpler protocol than long agonist.

## Considerations
- FDA-approved.
- Used under specialist supervision.

## Disclaimer
Educational content only. Not medical advice, diagnosis, or treatment. Most research peptides are not FDA-approved for human therapeutic use. Consult a licensed clinician before any use.