A Clinical Trial to Evaluate the Efficacy and Safety of DR-2011 for In Vitro Fertilization

Inclusion Criteria: * Pre-menopausal, aged 18-42 old at time of consent * At least one cycle without fertility medication prior to screening * Tubal, idiopathic, male factor, ovulatory dysfunction or endometriosis- linked infertility * Semen analysis (frozen sperm, including donor sperm, may be used, as long as testing done at time of freezing meets standard criteria) * Others as indicated by FDA-approved protocol Exclusion Criteria: * Any contraindication to progesterone therapy * BMI \> 38 kg/m2 * Clinically significant gynecologic pathology (for example: submucosal fibroids, abnormal uterine cavity, or others) * History of more than 1 failed fresh IVF cycles * More than 2 consecutive clinical miscarriages (gestational sac observed on ultrasound) * Others as indicated by FDA-approved protocol