Which of the following statements about the onset of menarche and menopause is true?
A) The timing of menarche has significantly decreased in the 20th century.
B) The average age at which U.S. women have their last period is 61.
C) Women who reported early menarche were prone to have earlier menopause.
D) In menarche, production of estrogen by the ovaries declines dramatically.

Question

Quizplus · Accepted Answer

The timing of menarche, which is the first menstrual cycle, has indeed decreased over the 20th century, largely due to improvements in nutrition and overall health.

Which of the Following Statements About the Onset of Menarche