论文部分内容阅读
目前常用的避孕方法可综合为三种(1)用化学或机械方法阻止精子与卵子相遇。(2)用宫内节育器阻止受精卵着床。(3)用口服避孕药阻止排卵。一旦避孕失败,人流是进一步的弥补措施。虽然这些方法在控制生育方面起了很大作用,但远不能满足人们的需要。如从生殖生理方面深入研究人类的受精、着床、早孕过程,避孕措施将会更多样化。但有关这方面的知识,许多还停留在动物实验阶段。现仅从有关受精、着床、早孕的生理过程,进一步探索是否可找到更
Currently used contraceptive methods can be integrated into three (1) chemical or mechanical methods to prevent sperm and egg encounter. (2) with intrauterine device to prevent fertilized egg implantation. (3) use of oral contraceptives to prevent ovulation. Once contraception fails, abortion is a further remedy. Although these methods have played a significant role in controlling fertility, they are far from satisfying people’s needs. Such as from the reproductive physiology in-depth study of human fertilization, implantation, early pregnancy process, contraception will be more diverse. However, many of these knowledge still remain in the experimental stage of animals. Now only from the fertilization, implantation, early pregnancy physiological process, to further explore whether to find more