title: Regional variation in the age-specific natural fertility curve.
mesh_terms: D000293:Adolescent; D000328:Adult; D000349:Africa; D000367:Age Factors; D001208:Asia; D005260:Female; D005298:Fertility; D006801:Humans; D007843:Latin America; D008393:Marriage; D008875:Middle Aged; D011247:Pregnancy