Concept
Version 12
Created by Boundless
Onset, Duration, and Half-Life of Hormone Activity
Hormone levels during menstrual cycle
This image depicts the levels of certain hormones during the menstrual cycle (B), as they correspond to follicular growth and ovulation (A). 1. Follicle-stimulating hormone 2. Estrogen 3. Luteinizing hormone 4. Progesterone.
This image depicts the levels of certain hormones during the menstrual cycle, as they correspond to follicular growth and ovulation. Once ovulation starts, the hormone progesterone overtakes the follicle-stimulating hormone, the hormone estrogen, and the luteinizing hormone that were present earlier.
Source
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"Hormons level - follicle & corpus luteum."
http://commons.wikimedia.org/wiki/File:Hormons_level_-_follicle_&_corpus_luteum.svg
Wikimedia
CC BY-SA.