想生一个健康聪明的宝宝，孕前的各项准备工作尤为重要。
Want to have a health smart baby, the preparation before childbirth is particularly important.
孕妇身体，要从怀孕状态逐渐转到孕前的正常状态，需要有一个恢复过程。
Pregnant women, from the body pregnancy has turned to the normal state, pregnant need to have a recovery process.
保持贞操，禁欲，延长恋爱阶段和婚前及孕前的艾滋病检测将会使20世纪后期的美国成为一个人心惶惶，与现在不同的社会。
Virginity and abstinence, prolonged courtships and AIDS tests before marriage or pregnancy-all these could make late 20th century America an anxious and altered society.
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