Figure 5From: Human steroidogenesis: implications for controlled ovarian stimulation with exogenous gonadotropinsLevels of progesterone and 17-OH-progesterone during the follicular phase in women stimulated with different doses of hCG. Shaded bars represent stimulation day 0, day 6 and day of hCG triggering. Graph drawn using data from Thuesen et al. 2013[40]. hCG: human chorionic gonadotropin.Back to article page