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对上海市区７８１６对抽样新婚夫妇一年随访显示在３４１２对采取避孕夫妇中于初育前各时点以安全期为首选方法；婚礼前避孕夫妇有选用口服避孕药的倾向。婚礼后选用安全期、避孕套及两者配合的比例上升。领证时拟用安全期避孕的夫妇中８６％均于婚后实际采用了该方法。而拟服避孕药者仅１６％于婚后实际服药；这是由于她们担心服药会损害自身及胎儿健康，他们对避孕药的认识是不全面的。婚后一年时仍有６２％的避孕套使用者对使用方法未得到认真指导，而近一半的服避孕药及使用杀精剂者均由朋友处得到指导。各时点由计划生育人员主动提供药具的比例极低。多项分类Ｌｏｇｉｓｔｉｃ回归模型显示对避孕法的评价及认识是影响新婚夫妇选用避孕方法的主要因素；妻子的避孕知识及对避孕方法的可得性在一定程度上亦影响夫妇对避孕方法的选择。
A year-long follow-up of 7816 pairs of sampling newlyweds in Shanghai is shown in 3412 among the pairs of contraception couples taking safety periods as preferential measures at various time points before beginning of childbearing. Pre-wedding couples tend to choose oral contraceptives. After the wedding choose a safe period, the proportion of condoms and both increase. 86% of couples planning to use contraception during the period of pregnancy under license actually adopted the method after marriage. Only 16% of those intending to take contraceptives actually took medicine after marriage; this is because they are worried that taking medicines will harm themselves and their fetal health and that their understanding of contraceptives is not comprehensive. Sixty-two percent of condom users at one year after marriage did not receive any guidance on how to use them. Nearly half of the contraceptives and spermicides were directed by friends. At any time by family planning staff take the initiative to provide a very low proportion of appliances. The multiple classification Logistic regression model shows that the evaluation and cognition of contraceptive methods are the main factors that influence the method of contraception for new couples. The contraceptive knowledge and the availability of contraceptive methods to wife also affect the choice of contraception method to some extent.