OVULATION

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Trials to join now! 1 Not yet recruiting 1 Completed 1

Progesterone as a surprise ovulation trigger: small study explores new possibility

Knowledge-focused Not yet recruiting

This small pilot study will test whether giving progesterone vaginally can trigger ovulation in healthy egg donors aged 18 to 33. Participants will receive mild ovarian stimulation and then progesterone when a follicle reaches a certain size. Researchers will measure hormone leve…

Matched conditions: OVULATION

Phase: PHASE4 • Sponsor: Instituto Valenciano de Infertilidade de Lisboa • Aim: Knowledge-focused

Last updated May 17, 2026 11:36 UTC

OVULATION

Get alerted when new OVULATION trials appear

Progesterone as a surprise ovulation trigger: small study explores new possibility