服用性激素避孕药是目前世界上应用最广的避孕方法之一。各种避孕药的主要成份是雌激素和孕激素,避孕药中含的性激素大多为人工合成的甾体化合物,具有与内源性激素相似的生物效应,但因结构上的差异,其在体内的代谢途径与天然激素有所不同。外源性激素的过量摄入可使机体整个生理功能受到不同程度的影响,其中以生殖系统最为敏感。性激素通过这一系统发挥有效的避孕作用外,还可对生殖器官 Taking hormonal contraceptives is one of the most widely used contraceptive methods in the world. The main ingredients of various contraceptives are estrogen and progesterone. Most of the sex hormones contained in contraceptives are synthetic steroids, which have biological effects similar to those of endogenous hormones. However, due to structural differences, Metabolic pathway and natural hormones are different. Exogenous intake of exogenous hormones can make the body’s physiological function by varying degrees of impact, of which the reproductive system is the most sensitive. Sex hormones through this system to play an effective contraceptive effect, but also on the reproductive organs