Effect of Adding Human Chorionic Gonadotropin to The Endometrial Preparation Protocol in Frozen Embryo Transfer Cycles

In this article which was published in Int J Fertil Steril , Vol 6, No 3, Oct-Dec 2012, on Pages: 175-178, the authors found that Four sam ples from the control group were incorrectly included in the study. 4 cases were removed from the data and the data were re-analyzed. The results in Tables 1-3 are corrected. The authors would like to apologies for any inconvenience caused.