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. Author manuscript; available in PMC: 2009 Feb 24.
Published in final edited form as: AIDS. 2008 Oct 1;22(15):1909–1917. doi: 10.1097/QAD.0b013e3283060ea4

Fig. 1. Relative changes in levels of estradiol and progesterone during the proliferative and secretory stages of the menstrual cycle.

Fig. 1

Indicated on days 14–23 is the suggested window of vulnerability to HIV infection. FSH, follicle-stimulating hormone; LH, luteinizing hormone.

HHS Vulnerability Disclosure