Calendar method

Calendar Method

The calendar method is a birth control technique that involves tracking the menstrual cycle to predict ovulation and avoid sexual intercourse on the days when a woman is most likely to conceive. This method is also known as the rhythm method or standard days method.

History

The calendar method has been used for centuries, with evidence of its use dating back to the ancient Egyptians. However, it was not until the 20th century that the method was scientifically validated and widely promoted as a form of natural family planning.

Methodology

The calendar method involves tracking the length of a woman's menstrual cycle for at least six months to determine the pattern of her fertile and infertile days. The first day of menstruation is considered day one of the cycle. The fertile period is typically considered to be from day 8 to day 19 of the cycle, based on the average menstrual cycle length of 28 days.

Effectiveness

The effectiveness of the calendar method varies greatly, depending on the regularity of a woman's menstrual cycle and the accuracy with which the method is practiced. According to the World Health Organization, the calendar method has a failure rate of 24% with typical use.

Advantages and Disadvantages

Advantages of the calendar method include its non-invasive nature, lack of side effects, and potential to promote greater understanding of one's body. Disadvantages include the need for diligent record-keeping, the potential for irregular cycles to reduce effectiveness, and the lack of protection against sexually transmitted infections.

See Also

• Natural family planning
• Fertility awareness
• Birth control