Survey of premarital pregnancy in seven provinces.
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D000028:Abortion, Induced; D001208:Asia; D002681:China; D003625:Data Collection; D036861:Delivery, Obstetric; D003710:Demography; D003906:Developing Countries; D005193:Family Planning Services; D005202:Asia, Eastern; D005298:Fertility; D007086:Illegitimacy; D011153:Population; D011157:Population Dynamics; D011247:Pregnancy; D011256:Pregnancy Outcome; D012098:Reproduction; D012106:Research; D012494:Sampling Studies; D012725:Sexual Behavior
Abortion, Induced; Asia; China; Delivery; Demographic Factors; Developing Countries; Eastern Asia; Family Planning; Fertility; Fertility Control, Postconception; Population; Population Dynamics; Pregnancy; Pregnancy Outcomes; Premarital Pregnancy; Reproduction; Reproductive Behavior; Research Methodology; Research Report; Sampling Studies; Studies; Surveys