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用化学药物催经止孕比人流手术具有某些优点。作者曾观察到几种使蛋白质变性的化合物在大鼠具有抗生育活性,此后又研究的几种活性更强的化合物对猴妊娠的影响。本文报导了硝酸银在食蟹猴的终止妊娠作用。作者用13只雌猴进行实验。每天用棉拭子检查阴道出血,从阴道出血后第12天开始与雄猴合笼8天。用触诊及检查尿中猴绒毛膜促性腺激素来诊断妊娠。以合笼第5天作为孕1天。在孕27天到孕43天之间,用消毒不锈钢注射针向7只猴子宫内注入1ml1%硝酸银溶液,另6只对照猴于宫内注入等量生理盐水。用药后每天观察阴道出血并注意妊
The use of chemotherapeutic drugs has some advantages over cesarean delivery. The authors have observed the effects of several compounds that denature proteins on anti-fertility in rats and later on several more active compounds on monkeys’ pregnancy. This article reports the termination of pregnancy of silver nitrate in cynomolgus monkeys. The authors used 13 females to experiment. Vaginal bleeding was tested daily with cotton swabs and cage-bound for eight days with the male monkey on day 12 after vaginal bleeding. Pregnancy was diagnosed by palpation and examination of urine monkey chorionic gonadotropin. Cage day 5 as the first day of pregnancy. Between 27 and 43 days of pregnancy, 1 ml of 1% silver nitrate solution was injected into 7 monkeys intraperitoneally with sterilized stainless steel injection needle, and the other 6 monkeys were injected intrauterine with the same amount of normal saline. Vaginal bleeding after daily observation and pay attention to pregnancy