Vaginal Progesterone Supplementation in Women With PCOS Undergoing Ovulation Induction With Letrozole

progesterone supplementation for luteal phase support administered with vaginal applicators and used instead of progesterone intramuscular injections or progesterone vaginal suppositories.

letrozole oral tablet 2.5 mg or 5 mg administered cycle day 3-7 for ovulation induction

pelvic ultrasound performed at cycle day 11 or 12 and repeated as necessary until leading follicle size is \>17 mm in diameter

ovidrel 250 mcg given when leading follicle size is \> 17 mm in diameter

Intrauterine insemination or timed intercourse (depending on semen parameters) performed 36-40 hours after Ovidrel