The average length of the menstrual cycle is
A) 10 days.
B) 14 days.
C) 21 days.
D) 28 days.
E) 35 days.

Question

Quizplus · Accepted Answer

The average length of the menstrual cycle is 28 days. This means that from the first day of one period to the first day of the next period, it takes an average of 28 days. However, it is important to note that menstrual cycle lengths can vary and still be considered normal, with some women having cycles as short as 21 days or as long as 35 days.

The Average Length of the Menstrual Cycle Is