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妊娠基本条件妊娠必须具备四个基本条件:(1)正常精子;(2)正常卵子;(3)能够使精子与卵子结合的机会;(4)适合于受精卵着床发育的地方。但是构成妊娠生理过程是十分复杂的,目前有些问题还正在研究之中。精子的生成当男子生殖器发育成熟以后,在垂体促性腺激素的控制下,一方面由睾丸间质细胞产生
The basic conditions of pregnancy Pregnancy must have four basic conditions: (1) normal sperm; (2) normal eggs; (3) the opportunity to make sperm and egg integration; (4) suitable for fertilized egg implantation development. However, the physiological process of pregnancy constitutes a very complex, and some problems are still under study. Generation of sperm When the male genital development is mature, under the control of pituitary gonadotropin, on the one hand by the testicular stromal cells