为什么紧急避孕药毓婷可防止非意愿妊娠 受孕的基本条件是:健康的生殖细胞(精子和卵子)、功能正常的输卵管以及发育良好的子宫内膜。三个条件中任何一个被干扰或破坏都可能影响受孕。紧急避孕药毓婷的原理是:(1)抑制或延迟排卵;(2)改变子宫内膜的发育,使之不利于孕卵着床;(3)改变宫颈粘液的性质,使其粘稠,精子和卵子不易相遇,干 Why emergency contraceptives Yuting can prevent unwanted pregnancy The basic conditions of conception are: healthy germ cells (sperm and eggs), functional fallopian tubes and well-developed endometrium. Any one of the three conditions is disturbed or destroyed may affect the pregnancy. The principle of emergency contraception Yuting is: (1) to inhibit or delay ovulation; (2) to change the development of the endometrium so that it is not conducive to the implantation of the pregnant egg; (3) to change the nature of cervical mucus to make it sticky And the egg is not easy to meet, dry