Concept
Version 6
Created by Boundless
Female Hormones
![Stages of the menstrual cycle](../../../../../../../../../figures.boundless-cdn.com/19755/full/figure-43-04-04.jpg)
Stages of the menstrual cycle
Rising and falling hormone levels result in progression of the ovarian and menstrual cycles.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"OpenStax College, Hormonal Control of Human Reproduction. October 17, 2013."
http://cnx.org/content/m44841/latest/Figure_43_04_04.png
OpenStax CNX
CC BY 3.0.