title: Pre-marital pregnancy in Shanghai.
authors.forename: J
authors.initials: J
authors.lastname: Wang
mesh_terms: D001208:Asia; D001519:Behavior; D002681:China; D003625:Data Collection; D003710:Demography; D003906:Developing Countries; D005202:Asia, Eastern; D006287:Health Planning Guidelines; D011153:Population; D011154:Population Characteristics; D012106:Research; D012494:Sampling Studies; D012725:Sexual Behavior; D014505:Urban Population
keywords: Asia; Behavior; China; Demographic Factors; Developing Countries; Eastern Asia; Population; Population Characteristics; Premarital Sex Behavior; Recommendations; Research Methodology; Sampling Studies; Sex Behavior; Studies; Surveys; Urban Population