Biology for IGCSE & O level - Reproduction (Section 8 - No. 33)
What are the main hormones involved in regulating the menstrual cycle?
Estrogen
Progesterone
Testosterone
Follicle-stimulating hormone (FSH)
Explanation
Estrogen, progesterone, and FSH are key hormones in the menstrual cycle. Testosterone is more related to male reproductive processes.
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