Contraceptive needs after age 40.
D000328:Adult; D000367:Age Factors; D003267:Contraception; D003710:Demography; D004467:Economics; D005193:Family Planning Services; D006301:Health Services Needs and Demand; D011153:Population; D011154:Population Characteristics
Adult; Age Factors; Contraception; Contraceptive Methods; Demographic Factors; Economic Factors; Family Planning; Needs; Population; Population Characteristics