Which of the following methods are the least successful ways to prevent pregnancy?

Question

Quizplus · Accepted Answer

Fertility awareness methods (also known as natural family planning) have been shown to have higher failure rates compared to other methods of contraception. These methods involve tracking a woman's menstrual cycle and abstaining from sex during fertile periods to avoid pregnancy. However, they require strict adherence and may not be reliable for women with irregular cycles or those who cannot accurately track their fertility.

Which of the Following Methods Are the Least Successful Ways