1·A synthetic estrogen, C21H26O2, used in combination with a progestin in oral contraceptive preparations.
炔雌醇甲醚一种合成的雌激素，化学式为c21h26o2，与。
2·Objective: To assess the immediate use of the combined oral contraceptive drospirenone-ethinylestradiol tablets in women undergoing artificial abortion.
目的：探讨人工流产术后立即口服屈螺酮炔雌醇片的临床效果及可行性。
3·Smoking seems to decrease estrogen exposure, thereby decreasing the cancer risk, and oral contraceptive use increases progestin levels, thus providing protection.
吸烟可能因为减少雌激素暴露水平而减少患病危险，应用口服避孕药增加了孕激素水平从而减少患病。
4·The woman had been taking an oral contraceptive regularly and her gynaecologist could not vouch for her wish to start a family - a routine question in that area of medicine.
该女子经常服用口服避孕药，她的妇科医生不能担保她愿意开始有一个家庭-这是医学领域上的一个例行问题。
5·Overall, women who had used any oral contraceptive had a 50 percent reduction in the risk of developing ovarian cancer than women who had never taken the Pill, the investigators report.
调查人员得出的总的数据显示，服用口服避孕药的女性患卵巢癌的几率比没有服药的低50%。
6·In one study of oral contraceptive pills, women with a body mass index (BMI) in the overweight range (a BMI of 25 or more) had a higher risk of pregnancy than those in the normal weight range.
有一项针对口服避孕药片开展的研究发现，体重指数(BMI)达到超重范围(BM I值等于或大于25)的女性比体重指数正常的女性更容易怀孕。
7·When we excluded women who were pregnant or receiving oral contraceptive or hormone replacement therapy – all possible causes of blood clots – the risk for women was reduced by 55 percent.
我们将所有可能导致血栓的因素（如：怀孕、口服避孕药或激素替代治疗）排除后，女性患病危险性降低55％。