Background: Unexplained Miscarriage that occurs repeatedly is still a difficult issue for couples and professionals. It affects 2–5% of females attempting to conceive represents considerable challenge physicians. Aim the Work: This study compares women who have unexplained recurrent miscarriages healthy, fertile in order assess uterine artery blood flow, sub-endometrial serum progesterone level...

The future pregnancy outcome of 201 consecutive women, median age 34 years (range 22-43), with a history of unexplained recurrent first trimester miscarriage (median 3; range 3-13), was studied. All women and their partners had normal peripheral blood karyotypes; none had antiphospholipid antibodies and none hypersecreted luteinizing hormone (LH). No pharmacological treatment was prescribed and...