title: The utilization of conception cohorts for the evaluation of family planning programs.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D005006:Ethnicity; D005069:Evaluation Studies as Topic; D005193:Family Planning Services; D005260:Female; D006254:Hawaii; D006801:Humans; D008393:Marriage; D011247:Pregnancy; D011275:Pregnancy, Unwanted; D012111:Residence Characteristics