Figure 1

Prolactin and cortisol in serum and follicular fluid in cIVF and NC-IVF. (a). Box-and-whisker plot of prolactin and cortisol concentrations in natural IVF (NC, fine lines) and conventional, gonadotropin stimulated IVF (cIVF, bold lines) cycles in serum (S, open boxes) and in follicular fluid (FF, hatched boxes). Boxes represent the 25th, 50th (median), and 75th centiles, the whiskers indicate the minimum and maximum levels. (b). Scatterplot of individual FF:S ratios in conventional, gonadotropin stimulated IVF (cIVF, closed circles) compared to natural IVF (NC, open circles). The solid horizontal lines indicate the medians. Please note the logarithmic scale in both panels (a) and (b).