Figure 3. Effects of prepubertal chronic ethanol exposure on ovary and oocytes. (A) Ovary weight. (B) Germinal vesicle breakdown (GVBD) rate. (C) Polar body extrusion (PBE) rate. (D) Number of MII-stage oocytes in vivo. (E) Chromosome spreading in MII-stage oocytes matured in vivo. (F) Spindle stained in MII-stage oocytes matured in vivo.