If a woman has a somewhat irregular menstrual cycle, why is she ill-advised to use the rhythm method?
A) It is impossible to calculate when ovulation occurs and therefore impossible to determine which days are "safe."
B) She may end up having intercourse at the beginning of menstruation, thereby increasing the likelihood of conception.
C) Worrying about the possibility of pregnancy will prevent both the woman and her partner from being sexually satisfied.
D) An irregular menstrual cycle indicates problems with fertility, and these should be evaluated before any method of contraception is used.

Question

Quizplus · Accepted Answer

The rhythm method relies on determining when ovulation occurs and avoiding intercourse during fertile days. However, with an irregular menstrual cycle, it is difficult to predict ovulation and therefore difficult to accurately determine which days are safe for intercourse.

If a Woman Has a Somewhat Irregular Menstrual Cycle, Why