Does thiol/disulfide homeostasis affect the number of metaphase 2 oocyte in the treatment of fertilization?

Aim: To investigate the effect of thiol/disulfide homeostasis on the number of oocytes retrieved and metaphase 2 (M2) oocytes in patients undergoing fertilization.

Method: A prospective study of 94 patients who were admitted to the fertilization clinic was conducted. Serum samples were taken on the oocyte pick-up day and kept until the analysis.