Impact of 3.5% O2 culture on embryo development and clinical outcomes: a comparative study Research Authors Mohamed Fawzy, Mai Emad, Mohamed Y AbdelRahman, Hazem Abdelghafar, Faten F Abdel Hafez, Mohamed A Bedaiwy Research Date Sun, 1 Oct 2017 - 12:00 Research Journal Fertility and Sterility Research Member Faten Farouk AbdelHafez Ahmed