title: [The new policies of natural birth control].
authors.forename: J H
authors.initials: JH
authors.lastname: Johnson
authors.forename: J
authors.initials: J
authors.lastname: Reich
mesh_terms: D000569:Americas; D002170:Canada; D003226:Congresses as Topic; D003267:Contraception; D003268:Contraception Behavior; D019049:Developed Countries; D003906:Developing Countries; D005193:Family Planning Services; D012252:Natural Family Planning Methods; D009656:North America; D010061:Ovulation Detection; D010342:Patient Acceptance of Health Care; D011057:Politics; D012067:Religion
keywords: Americas; Canada; Cervical Mucus Method; Conferences And Congresses; Contraception; Contraceptive Usage; Developed Countries; Developing Countries; Family Planning; Family Planning, Behavioral Methods; Method Acceptability; Natural Family Planning; North America; Northern America; Political Factors; Religion; Rhythm Method, Calendar; Sympto-thermal Method; World