Having body fat contributes to having a menstrual cycle. If a woman loses too much body fat, she can stop having her menstrual cycle because you need a certain amount for it to be able to function as normal. I don't think the body would benefit from ceasing to menstruate, because at that point it isn't really healthy. However, usually if a woman gains back some of the body fat or starts eating fattier foots/exercising less, her period will start again.
Answer
The answer is D. Frequency, Intensity, and duration
Explanation:
I read a CDC article on the term.
Chinease are moving from the rural areas to fast growing subarbs, like here in the U.S. china is moving to farming to technology so this produces more jobs for the people and higher education