National Survey of Family Growth

国家家庭增长调查(NSFG)是美国政府官方数据库，主要收集关于怀孕与生育、婚姻与同居、不孕不育、避孕使用、家庭生活和生殖健康等方面的信息。该调查结果被美国卫生与公众服务部及其他机构用于规划健康服务和健康教育项目，并进行家庭、生育和健康的统计研究。The National Survey of Family Growth (NSFG) is an official U.S. government database that primarily collects information on pregnancy and childbirth, marriage and cohabitation, infertility, contraceptive use, family life, and reproductive health, among other related topics. The survey results are utilized by the U.S. Department of Health and Human Services and other institutions for planning health services and health education programs, as well as conducting statistical research on families, fertility, and health.