HPO Axis and Menstrual Cycle Basics


Comprehensive knowledge of the hypothalamic-pituitary-ovarian (HPO) axis and of the menstrual cycle is extremely important when working in a reproductive endocrine setting. In this module, we will review the specifics of a properly functioning HPOA and all phases of the menstrual cycle. This course is broken down into three parts: HPO Axis basics, the menstrual cycle, and female fertility.


  • To list and identify the components of the HPO axis
  • To list the important structures involved in the menstrual cycle
  • To identify the major hormones of the menstrual cycle and describe their functions.
  • To explain the different phases of the menstrual cycle-ovarian and uterine.