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Our objective was to test the hypothesis that shortening the hormone-free interval (HFI) between cycles of 21 days of oral contraceptives (OCs) reduces pituitary secretion of gonadotropins and ovarian production of estradiol and inhibin-B.We used a prospective trial design comparing the standard 7-day HFI and shortened HFI during cycles, with an OC containing 0.03 mg of ethinyl estradiol and 3 mg...
Multiple trials by the World Health Organization have established levonorgestrel as the gold standard in hormonal emergency contraception (EC). However, changes in menstrual patterns following EC have been observed; thus, we undertook this prospective study to identify and determine the characteristics of these changes.Women requesting EC at either any of two hospitals — 1 family planning unit and...
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