A Prospective Randomized Multicentre Study to Compare Crinone 8% Once Daily Versus Other Vaginal Progesterone.

A Prospective Randomized Multicentre Study to Compare Crinone 8% Once Daily Versus Other Vaginal Progesterone.

To compare the effect of Crinone 8% administered once daily versus other vaginal progesterone in terms of ongoing pregnancy rate 5 weeks after embryo transfer as well as patient convenience.

Inclusion Criteria:

• 18-40 years
• Regular menstrual cyclus 25-35 days
• both ovaries present
• No more than 2 previous IVF attempts
• Have given written informed consent

Exclusion Criteria:

• More than 2 previous attempts
• Known drug abuse
• Known allergies to the study medication
• No embryo transfer performed in the study cycle
• Previous participating in the study