luteal phase defect…

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cesarean section, anatomy of a normal placenta, placenta, , inadequate luteal phase, luteal phase defect, is inadequate secretion, action, the hormone progesterone, menstrual cycle, lag of more than two days, in the development, the endometrium, lining, the uterus, where an egg implants, concept of luteal phase defect is controversial, its role in infertility is uncertain, affect, 3 to 4% of infertile women, up to 5% in women, a history of recurrent, spontaneous abortions, luteal phase defect, found, 30% of isolated cycles of normal women, risks factors, a history of unexplained infertility, a history of recurrent spontaneous abortions, main symptom is short, irregular menstrual cycles, a biopsy, the endometrium, standard, diagnosing luteal phase defect, measuring the progesterone level in blood serum, used, a means of diagnosis instead of endometrial biopsy due, pain, difficulties of precise menstrual cycle dating, expense associated, endometrial biopsy, a blood serum progesterone level of lower than 10ng/ml one week, start of menstruation, 7 days, lh, luteinizing hormone, surge, accepted, a diagnosis of luteal phase defect, progesterone injections, gel, crinone, used, luteal phase defect is suspected, is evidence that low fsh, follicle stimulating hormone, luteal phase defects, clomiphene citrate, using progesterone therapy, success rates of approximately 50% have been reported, controlled clinical studies, lacking, risk of using clomiphene citrate is its uncertain effectiveness, a 5% chance of multiple births, mostly twins.