Concepts of family planning.
D000300:Adoption; D000328:Adult; D003267:Contraception / Q000379:methods*; D003376:Counseling; D004467:Economics; D005191:Family Characteristics; D005193:Family Planning Services / Q000639:trends; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D010290:Parents / Q000193:education; D010349:Patient Compliance; D011156:Population Density; D011247:Pregnancy; D011788:Quality of Life; D012945:Social Values