calendar method

Cycle-based contraception

The calendar method is a form of birth control that tracks menstrual cycles to predict fertile days and avoid unprotected sex during that window.

Also called the rhythm method.

Its effectiveness depends on cycle regularity and careful tracking: They relied on the calendar method but got pregnant anyway.

fertility

ovulation

Egg discharge from ovary

natural family planning · cycle tracking · fertility awareness · period tracking · LH surge · ovum · sperm · egg · conception · fertilization

physiology

menstruation

Monthly uterine bleeding

hormones · endometrium · PMS · menarche · period · menses · implantation · uterine lining · breakthrough bleeding

contraception

natural family planning

Contraception via cycle observation

birth control · contraceptive · unprotected · failure rate · reproductive health

Categories
Opposites
contraceptive effectiveness

calendar methodsurgical sterilization

Operation to prevent conception

vasectomy · tubal ligation · sterilization · IUD · copper IUD

intervention type

calendar methodbarrier method

Contraception using physical blockage

condom · diaphragm · cervical cap · spermicide · IUD

reproductive intent

calendar methodfertility treatment

Medical help conceiving

IVF · in vitro fertilization · assisted reproduction · fertility drugs

Family

calendar, method, calendars, methods, methodical, methodically, methodology, methodologies, Methodist

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