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Cetrorelix Dosage Guide
Complete dosing protocol, reconstitution steps, and interactive calculator for Cetrorelix.
Dosing & Reconstitution Guide
Clinical studies often use 0.25–3 mg/day subcutaneously. Use is limited to regulated fertility and endocrine protocols.
Standard / Gradual Approach
0.25mg VialdailyPhaseDoseVolume
Days 5–6 onward0.25 mg dailyFull 0.25 mg vial SQ
Until trigger day0.25 mg dailyContinue daily until hCG trigger
Standard / Gradual Approach
0.25mg Vialsingle-dosePhaseDoseVolume
Stimulation day 73 mg onceFull 3 mg vial SQ (lasts ~4 days)
Protocol Summary
Subcutaneous (SQ): Once daily during ovarian stimulation (days 5–10 of cycle) · Dose range 0.25–0.5 mg with gradual titration
Cycle Length: 4–8 weeks typical; reassess before extending
Frequency & Cycling
SubQ Injection
Inject 0.25 mg daily during ovarian stimulation (typically days 5–10 of cycle). Used in ART protocols under strict monitoring.
🧪 Quick Start
Vial Size
0.25 mg
BAC Water
1 mL
Concentration
300 mcg/unit
🧮 Dose Calculator
Concentration
2.5
mcg/unit
Draw Volume
200
units (2.000 mL)
For a 500 mcg dose, draw 200 units on a U-100 insulin syringe