乳头刺激是在妊娠晚期用拇、食二指挫转孕妇乳头,引起神经冲动作用于丘脑下部,促使垂体释放催产素,引起子宫收缩,从宫缩后发生的胎心率变化,以估计胎儿宫内储备能力以及胎盘功能是否正常的方法。这个方法也可用于其他原因发生胎儿窘逼时的胎儿盘功能测试,但本文主要是谈在过期妊娠时的应用。妊娠过期之后,胎盘多发生老化,功能变得低下。胎儿赖以生长、发育的养料和 Nipple stimulation in the third trimester of pregnancy with thumb, food fingers frustrated pregnant women nipple, causing nerve impulse in the hypothalamus, prompting the pituitary release of oxytocin, causing uterine contractions, fetal heart rate changes from contractions to estimate fetal The ability of the reserve and the function of the placenta is normal. This method can also be used to test for fetal disc function in other causes of fetal distress, but this article is mainly about the application in overdue pregnancy. Pregnancy after the expiration of the placenta more aging, function becomes low. The fetus depends on the growth and development of nutrients and