Fertility study tests progesterone boost for IUI success
NCT ID NCT07508657
First seen Apr 03, 2026 · Last updated May 16, 2026 · Updated 5 times
Summary
This study looks at whether taking progesterone after intrauterine insemination (IUI) can increase the chance of pregnancy in women who used letrozole for ovarian stimulation. About 690 women at four Danish fertility clinics will be randomly assigned to receive either vaginal progesterone or no extra treatment. The main goal is to see if progesterone leads to more pregnancies with a visible heartbeat at 7-9 weeks.
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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Copenhagen University Hospital - Rigshospitalet. Department of Gynecology, Fertility and Obstetrics
Copenhagen, 2100, Denmark
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
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The Fertility Clinic, Herlev Hospital
Herlev, 2730, Denmark
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
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The Fertility Clinic, Hvidovre Hospital
Hvidovre, 2650, Denmark
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
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University Clinic for Fertility, Horsens Regional Hospital, Central Denmark Region
Horsens, 8700, Denmark
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
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