国外专家推测,全世界每天约有90万女性受孕,其中至少15万名女性接受人工流产,因为在这90万受孕女性中,约半数属于意外妊娠……其实,房事后的补救避孕法有很多,总的可分为以下两大类:机械法房事后避孕,即放置宫内节育器(俗称“上环”)。在无避孕措施的性交后,务必在7天内放置节? Foreign experts speculate that about 900,000 women are pregnant every day in the world, of which at least 150,000 women have undergone abortion because about half of the 900,000 pregnant women are unwanted pregnancies ... In fact, there are many remedial contraception methods , The general can be divided into the following two categories: mechanical method of post-contraception, that is placed IUD (commonly known as “Sheung Wan”). After having no sexual intercourse with contraception, be sure to place the festival within 7 days.