Statement on periodic abstinence for family planning.
D003267:Contraception; D003268:Contraception Behavior; D003376:Counseling; D005069:Evaluation Studies as Topic; D005193:Family Planning Services; D007390:International Agencies; D008598:Menstruation; D009938:Organizations; D010061:Ovulation Detection; D012098:Reproduction; D012746:Sexual Abstinence
Cervical Mucus Method; Contraception; Contraception Failure--statistics; Contraceptive Usage; Counseling; Evaluation; Evaluation Methodology; Evaluation Research; Family Planning; Family Planning, Behavioral Methods; Fertile Period; International Agencies; Ippf; Natural Family Planning; Organizations; Reproduction; Sexual Abstinence; Sympto-thermal Method