... affecting pregnancy and women’s health in theUnited States. The NSFG supplements and complements the data from theNational Vital Statistics System onbirths, marriage and divorce, fetal death, and ... forDisease Control and Prevention’s public health surveillance for women, infants, and children—particularly oncontraception, infertility, unintended pregnancy and childbearing, and teenage pregnancy ... (NSFG),including: pregnancy and birth,marriage, divorce, cohabitation, sexualintercourse, contraception, infertility, useof family planning and other medicalservices, and health conditions and behavior.MethodsThe...