PREMENOPAUSAL

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Trials to join now! 1 Not yet recruiting 1 Not yet finished but already full! 2 Completed 3

One pill, many questions: could emergency contraception briefly alter blood vessel health?

Knowledge-focused Recruiting now

This trial investigates whether a single dose of the emergency contraceptive Plan B (levonorgestrel) affects markers of blood clotting and blood vessel function in young, healthy, premenopausal women. Participants will have their blood and artery function measured before and at s…

Matched conditions: PREMENOPAUSAL

Phase: NA • Sponsor: McMaster University • Aim: Knowledge-focused

Last updated Aug 14, 2026 00:00 UTC

PREMENOPAUSAL

Get alerted when new PREMENOPAUSAL trials appear

One pill, many questions: could emergency contraception briefly alter blood vessel health?