Efficacy and Safety of Crinone Versus Combination Medication (ACCESS)

Comparison of Crinone ® Versus Combination Medication for Luteal Phase Support on the Ongoing Pregnancy Rate of Frozen-thawed Cycle in Chinese Population a Randomized, Interventional, Open-label, Phase IV, Single Center, Pilot Study (ACCESS)

The study to compare to the efficacy and safety of Crinone versus combination medication in infertile women receive frozen-thawed embryo transfer (FET) in artificial cycles (AC).

Inclusion Criteria:

Participants are eligible to be included in the study only if all the following criteria apply:

• Participants who will receive artificial frozen-thawed embryo transfer (FET) cycle study interventions
• Participants who have no more than two Day 5 embryos are planned to be transferred (follow the clinical practice of the study site)
• Participants have received estradiol valerate for no more than 20 days
• Participants have a transitional-endometrium of greater than or equal to 8 millimeter
• Participants have normal uterine cavity
• Participants can give signed informed consent
• Participants are willing to follow the study protocol and able to complete the study

Exclusion Criteria:

• Participants are willing to follow the study protocol and able to complete the study
• Participants with greater than or equal to three previously failed cycles of ET
• Participants with diseases that cannot tolerate pregnancy
• Hydrosalpinx
• Severe endometriosis (Endometriosis American Society for Reproductive Medicine (ASRM) criteria from 1996)
• Known hypersensitivity to progesterone, the excipients of Crinone and Duphaston Vaginal bleeding of unknown origin
• History of recurrent miscarriages
• Vaginitis
• Thromboembolic diseases (thrombophlebitis, thromboembolic disorder, or cerebral apoplexy) or participants with a history of these conditions
• Known or suspected progestogen-dependent neoplasm
• Participation in another clinical trial within the past 30 days
• Contraindications of both Crinone and Duphaston