title: The contraception-to-conception ratio: a tool for measuring success of family planning programs in reaching very young teenagers.
mesh_terms: D000028:Abortion, Induced; D000293:Adolescent; D001741:Black or African American; D000367:Age Factors; D003267:Contraception; D005193:Family Planning Services; D005260:Female; D005306:Fertilization; D005845:Georgia; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D014481:United States