Which method of contraception is most likely to fail?

Name: Which method of contraception is most likely to fail?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

The rhythm method, also known as the calendar method, relies on tracking the menstrual cycle to predict fertile days. It is less reliable due to the variability in women's cycles and the difficulty in accurately predicting ovulation, leading to a higher failure rate compared to other methods.

Which Method of Contraception Is Most Likely to Fail