尽管目前避孕方法有很多种可供人们选择,但是很多人仍然担心几个问题。一是麻烦,二是体味不到性爱的真正肌肤相亲的愉悦,三是担心药具的副作用,四是害怕影响生育甚而造成不育。因此,大力倡导计划生育的国家和研究人员就力求为公民担供简便、有效、安全和不影响人们性生活的避孕方法。 Despite the many options currently available for contraception, many are still worried about a few issues. One is troublesome, the other is the pleasure of blind date of genuine skin of the sex, the third is the side effects of the medicine, the fourth is the fear of affecting the childbearing and even causing infertility. Therefore, countries and researchers vigorously advocating family planning strive to provide citizens with the contraceptive method which is simple, effective, safe and does not affect people’s sexual lives.