Fig. 1From: Correlation between steroid levels in follicular fluid and hormone synthesis related substances in its exosomes and embryo quality in patients with polycystic ovary syndromeDistribution of steroid concentrations in follicular fluid from PCOS patients and controls. (a) Pregenolone; (b) Progesterone; (c) Estriol; (d) Estradiol. Data are presented as mean ± SD. *p < 0.05, **p < 0.01Back to article page