The temporal relationship of marriage, conception, and birth in Massachusetts.
D000293:Adolescent; D000328:Adult; D001719:Birth Certificates; D001722:Birth Order; D036861:Delivery, Obstetric; D004651:Employment; D005006:Ethnicity; D005260:Female; D005306:Fertilization; D006801:Humans; D007086:Illegitimacy; D007231:Infant, Newborn; D008297:Male; D008393:Marriage; D008404:Massachusetts; D008423:Maternal Age; D009790:Occupations; D011247:Pregnancy; D011996:Records; D012067:Religion; D012494:Sampling Studies; D013997:Time Factors