Useful english dictionary. 2012.
rhythm method of birth control — noun natural family planning in which ovulation is assumed to occur 14 days before the onset of a period (the fertile period would be assumed to extend from day 10 through day 18 of her cycle) • Syn: ↑rhythm method, ↑rhythm, ↑calendar method of… … Useful english dictionary
calendar method — noun natural family planning in which ovulation is assumed to occur 14 days before the onset of a period (the fertile period would be assumed to extend from day 10 through day 18 of her cycle) • Syn: ↑rhythm method of birth control, ↑rhythm… … Useful english dictionary
Birth control — For other uses, see Birth control (disambiguation). Birth control is an umbrella term for several techniques and methods used to prevent fertilization or to interrupt pregnancy at various stages. Birth control techniques and methods include… … Wikipedia
birth control — regulation of the number of children born through the deliberate control or prevention of conception. Cf. family planning (def. 1). [1914, Amer.] * * * Voluntary limiting of human reproduction, using such means as contraception, sexual abstinence … Universalium
calendar method — noun A rhythm method of natural birth control … Wiktionary
Comparison of birth control methods — Different types of birth control methods have large differences in effectiveness, actions required of users, and side effects. Contents 1 Ease of use 2 User dependence 3 Side effects 4 Effectiveness … Wikipedia
Calendar-based methods — Infobox Birth control name = Calendar based methods width = 270 caption = An illustration of the Standard Days Method. This method may be used by women whose menstrual cycles are always between 26 and 32 days in length bc type = behavioral date… … Wikipedia
rhythm method — noun natural family planning in which ovulation is assumed to occur 14 days before the onset of a period (the fertile period would be assumed to extend from day 10 through day 18 of her cycle) (Freq. 1) • Syn: ↑rhythm method of birth control,… … Useful english dictionary
Billings ovulation method — Background Birth control type Behavioral First use developed in 1950 s Failure rates (first year) Perfect use 0 2.9% Typical use 1 … Wikipedia
Calendar of 1997 — ▪ 1998 JANUARY JANUARY 1 Ghanaian Kofi Annan replaces Egyptian Boutros Boutros Ghali in the position of United Nations secretary general. Among those knighted by Queen Elizabeth II in the annual New Year s Day ceremony is pop musician … Universalium
