催产素能使妊娠子宫平滑肌收缩,是产科常用的内分泌激素。催产素为一种多肽激素,自50年代合成纯化的催产素后,一直被广泛应用于临床。1 催产素的药理作用催产素的作用主要表现在加强子宫平滑肌的收缩,但子宫收缩强度及其性质取决于子宫的生理状态和用药剂量。妊娠早期的子宫对催产素不甚敏感, Oxytocin can make pregnant uterine smooth muscle contraction, obstetrics and gynecology commonly used endocrine hormones. Oxytocin, a polypeptide hormone, has been widely used clinically since the synthesis of purified oxytocin in the 1950s. 1 pharmacological effects of oxytocin The role of oxytocin mainly in strengthening the smooth contraction of the uterus, but the uterine contraction strength and its nature depends on the physiological status of the uterus and dosage. The uterus of early pregnancy is less sensitive to oxytocin,