Progesterone boost may help IUI success
Symptom relief
Recruiting now
This study tests whether taking progesterone (a hormone) after intrauterine insemination (IUI) increases the chance of pregnancy in women who also took letrozole to stimulate their ovaries. About 690 women in Denmark will be randomly assigned to receive either progesterone vagina…
Phase 4 • Sponsor: Kirstine Kirkegaard • Aim: Symptom relief
Last updated Sep 11, 2026 00:00 UTC