催产素是一种能加强子宫收缩的药,它能直接刺激子宫平滑肌引起子宫收缩,并使收缩力及频率增加。从孕30周开始,子宫对催产素的敏感性逐渐增加,到妊娠末期,少量催产素就能引起子宫强烈收缩。催产素静脉点滴引产,发生作用比较快,常在 Oxytocin is a medicine that strengthens uterine contractions that directly stimulate uterine smooth muscle to cause uterine contractions and increase contractility and frequency. From the first 30 weeks of pregnancy, the sensitivity of the uterus to oxytocin gradually increased until the end of pregnancy, a small amount of oxytocin can cause a strong contraction of the uterus. Oxytocin intravenous drip induction, the role of relatively fast, often