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20名健康且月经规则的妇女随机分为两组,一组服单相片(地索高诺酮150μg+炔雌醇30μg),另一组服三相片(LNG50μg+炔雌醇30μg×6天,LNG75μg+炔雌醇40μg×5天,LNG125μg+炔雌醇30μg×10天)。头3个月每月从月经第7天起服上述口服避孕药(OC)21天,停药7天;第4个月从月经第10天起服OC,连服18天(即漏服3片)。从服OC第一天起每隔一天作超声检查测滤泡直径,直至发生排卵或服药第15天时尚未见到滤泡活性或见到滤泡萎缩。超声检查同时及服药第17、19天时用快速
Twenty healthy and menopausal women were randomly divided into two groups. One group received a single photograph (desopostone 150 μg + ethinyl estradiol 30 μg) and the other group served three photographs (LNG 50 μg + ethinyl estradiol 30 μg × 6 days, LNG 75 μg + Estradiol 40 μg × 5 days, LNG 125 μg + ethinyl estradiol 30 μg × 10 days). The first 3 months monthly from the first 7 days of menstruation to take the oral contraceptives (OC) for 21 days, withdrawal of 7 days; the first 4 months from the first 10 days of menstruation serving OC, and even served 18 days (that is, missed 3 sheet). Observe the follicular diameter every other day from the first day of taking OC, and no follicular activity or follicular atrophy was observed until ovulation or on the 15th day of taking the medication. At the same time ultrasound and medication on the first 17,19 days with fast