Figure 3From: Estrogen and progesterone play pivotal roles in endothelial progenitor cell proliferationChanges in circulatory EPC proliferation during the menstrual cycle. A) The number of EPCs in peripheral blood. *: p < 0.05 vs. the follicular phase. B) The proliferation of EPCs on the 7th day in culture. **: p < 0.05 vs. the luteal phase.Back to article page