Biology › Section Q · Immunity and reproduction › Topic Q.6
Hormonal control of reproduction
Sperm production, the monthly ovarian and menstrual cycles and menopause are all run by one chain of hormones from the brain to the gonads. Learn how that chain works and how feedback controls it, and you can read a hormone graph and predict what happens when a level changes.
In this topic
- A chain of command
- Hormones in males
- Hormones in females
- Two cycles running together
- The follicular phase
- The LH surge: positive feedback
- The luteal phase and the end of a cycle
- Worked example: reading a hormone graph
- Worked example: predicting hormone changes
- Menopause
- Common mistakes to avoid
- Key takeaways
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