Natural family planning: can it work?
Shivanandan
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D000569:Americas; D003267:Contraception; D003695:Delivery of Health Care; D019049:Developed Countries; D003906:Developing Countries; D005193:Family Planning Services; D006078:Government Programs; D006262:Health; D006269:Health Facilities, Proprietary; D006285:Health Planning; D006296:Health Services; D012252:Natural Family Planning Methods; D009656:North America; D009934:Organization and Administration; D010061:Ovulation Detection; D012746:Sexual Abstinence; D014481:United States
Americas; Cervical Mucus Method; Contraception; Delivery Of Health Care; Developed Countries; Developing Countries; Family Planning; Family Planning Programs; Family Planning, Behavioral Methods; Government Sponsored Programs; Health; Health Services; Natural Family Planning; North America; Northern America; Organization And Administration; Privately Sponsored Programs; Programs; Rhythm Method, Calendar; Sexual Abstinence; Sympto-thermal Method; United States