Fig. 2From: The effect of lutein and Urtica dioica extract on in vitro production of embryo and oxidative status in polycystic ovary syndrome in a model of miceThe mouse embryos obtained during 120 h of in vitro culture in CO2 incubator. a Two-cell embryo (× 200); b four-cell embryo (× 200); c blastocyst embryo (× 200); d normal and abnormal blastocyst embryos (× 100), black arrow: arrested embryo, white arrow: normal blastocystBack to article page