Exnuptial conception in New Zealand.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001294:Attitude to Health; D002648:Child; D003267:Contraception; D004522:Educational Status; D005006:Ethnicity; D005260:Female; D005306:Fertilization; D006801:Humans; D009520:New Zealand; D011247:Pregnancy; D012067:Religion; D012736:Sex Education; D012847:Single Person; D012959:Socioeconomic Factors; D013997:Time Factors