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女性一生有30多年的时间需要避孕,因此,选择可靠的避孕方法就成了从容、健康生活的保障。由于经济和文化的不同,世界不同地区、不同国家的人们采用的避孕方法也千差万别。在北美,超过一半的怀孕是计划外的,原因主要为:不喜欢使用安全套、避孕方法使用不当、没有每天坚持采取避孕措施等。在这种情况下,结扎是美国夫妇使用最多的避孕方法(占37%～44%)。口服避孕药也是控制生育的一种普遍方式,目前有1100万人(占10%～25%)使
Women have a lifetime of more than 30 years in need of contraception, therefore, choosing a reliable contraceptive method becomes a guarantee of a calm and healthy life. Because of economic and cultural differences, contraceptive methods used by people in different parts of the world and in different countries vary widely. In North America, more than half of pregnancies are unplanned, mainly because of dislike of condoms, improper use of contraception and lack of daily contraceptive measures. In this case, ligation is the most commonly used method of contraception in the United States (37% to 44%). Oral contraceptives are also a common form of birth control, with 11 million (10% to 25%) currently