Natural family planning. New drug-free, device-free birth-control methods everybody's talking about.
D002582:Cervix Mucus; D002584:Cervix Uteri; D003267:Contraception; D005069:Evaluation Studies as Topic; D005193:Family Planning Services; D005835:Genitalia; D005836:Genitalia, Female; D008598:Menstruation; D010061:Ovulation Detection; D010827:Physiology; D012098:Reproduction; D012746:Sexual Abstinence; D014566:Urogenital System; D014599:Uterus
Cervical Mucus; Cervical Mucus Method; Cervix; Contraception; Contraception Failure; Family Planning; Family Planning, Behavioral Methods; Fertile Period; Genitalia; Genitalia, Female; Natural Family Planning; Ovulation Detection; Physiology; Qualitative Evaluation; Reproductive Period; Sexual Abstinence; Sympto-thermal Method; Urogenital System; Use-effectiveness; Uterus