Interval between age at marriage and first birth in India.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D005260:Female; D005298:Fertility; D006801:Humans; D007194:India; D007743:Labor, Obstetric; D008393:Marriage; D011247:Pregnancy; D012923:Social Class; D013997:Time Factors