A method of contraception that involves abstaining from sexual intercourse during the fertile (middle days) of the woman's menstrual cycle each month. Not always a safe form of birth control.
a method of preventing pregnancy in which a couple does not have sexual intercourse during the days of the menstrual cycle during which fertilization can occur
Natural form of trying to prevent pregnancy by avoiding sex in the middle of a woman's menstrual cycle, when becoming pregnant is most likely. Not thought safe when avoiding pregnancy is very important - for example, during cancer treatment or after having particular cancers such as breast cancer.
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)
A method of family planning in which the fertile phase of the cycle is calculated according to the length of at least six previous menstrual cycles.
The rhythm or cervical mucus method is a form of natural birth control which can work by timing intercourse according to the consistency of the woman's cervical mucus. Mucus similar to raw egg white signifies a time close to ovulation, when a woman is most fertile, while thick and cloudy mucus indicates a time when conception is less likely.
A form of birth control based upon abstaining from intercourse during the most fertile portion of the menstrual cycle.
Now discredited method of family planning which calculates the fertile phase purely on the examples of past cycles. Find out more...
The Rhythm Method, also known as the Calendar Method or the Knaus-Ogino Method (named after Hermann Knaus and Kyusaku Ogino), is a method of natural birth control that involves counting days of a woman's menstrual cycle in order to achieve or avoid pregnancy. A recently developed variant of the Rhythm Method is known as the Standard Days Method.
