A Study Comparing the Efficacy, Safety and Tolerability of Oral Dydrogesterone 30 mg Daily Versus Crinone 8% Intravaginal Progesterone Gel 90 mg Daily for Luteal Support in In-Vitro Fertilization (LOTUS II)

The purpose of this randomized, two-arm and open label study is to demonstrate that the treatment of a daily dose of 3x10mg dydrogesterone orally is as effective and safe as the daily dose Crinone 8% intravaginal progesterone gel 90 mg for the luteal support in women who are unable to conceive a child and are undergoing IVF. The treatment will start on the day of oocyte retrieval and continue until pregnancy is negative or until week 12 gestation. Patients will be followed during treatment until 30 days after delivery to record any safety and tolerability data of the patient and their newborn (s).