Stopped: lapse in approval
Background: Pregnancy loss is the most common complication of pregnancy. It occurs in roughly one-half of natural conceptions. It most frequently occurs in the first 2 to 3 weeks of pregnancy. Researchers want to look at the lining of the uterus, called the endometrium, to see what role it plays in implantation and miscarriage. Objective: To gain a better understanding of how normal and abnormal endometrium works. Eligibility: Healthy, fertile women ages 18-42 who have had one prior child. Design: Participants will have 3 study visits. At visit 1, participants will have a medical history. They will have a radiologic/imaging review if needed. They will be taught how to monitor their urine luteinizing hormone (LH) at home with an ovulation predictor kit. They will have their second study visit 9 days after their LH surge. At visit 2, participants will take a urine pregnancy test. They will have a physical exam and have blood drawn. They will have a uterine lavage and endometrial biopsy. For this, a speculum will be placed into the vagina. A soft catheter will be inserted through the cervical canal into the uterus. Saline will be added into the uterus and then recovered after 30 seconds. A tissue sample will be taken. About 46 days later, participants will start another round of LH monitoring. They will have a third study visit 9 days after their LH surge. At visit 3, they will repeat the tests from visit 2. Some samples will be used for genetic tests. Participation will last for 3 menstrual cycles. ...
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Single cell analysis of the endometrium from fertile and infertile women.
Timeframe: 7-9 days post LH surge in cycling women