Ovarian hormones estrogen and progesterone are highly beneficial for health. That means that natural ovulatory menstrual cycles are beneficial for health, because ovulation is the only way to make ovarian hormones.
Does that surprise you? Men make testosterone every day, so you might think that women would do something similar, but we don’t. Instead, we make our hormones as a surge of estrogen leading up to ovulation and an even bigger surge of progesterone for the two weeks after ovulation.
Read moreThe Secret Powers of Ovulation (It’s Not Just for Making a Baby)
Irregular periods? They might not be periods at all. Instead, they might be the breakthrough bleeding of anovulatory cycles.
Looking for a simple solution for period problems? Before you reach for a women’s supplement like 
Progesterone is a startlingly beneficial hormone, and almost all of us could do with more than we have.