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. Author manuscript; available in PMC: 2013 Sep 1.
Published in final edited form as: Expert Rev Obstet Gynecol. 2012 Nov 1;7(6):573–583. doi: 10.1586/eog.12.54

Figure 1. Changes in reproductive hormone concentrations across the menstrual cycle.

Figure 1

The graph is not based on actual data but is meant to provider readers with a general idea of the change in reproductive hormones that occurs across the menstrual cycle. FSH: Follicle-stimulating hormone; LH: Luteinizing hormone.