Figure 1

Interaction of insemination type and blastocyst morphology on sex ratio. (A) Effects of ICM grade on sex ratio in IVF and ICIS treated groups. (B) Effects of TE grade on sex ratio in IVF and ICIS treated groups. (C) Effects of blastocysts expansion grade on sex ratio in IVF and ICIS treated groups. (D) Effects of blastocysts transfer day on sex ratio in IVF and ICIS treated groups. Data were presented with ratio with 95% confidence intervals (CIs). **P < 0.01, *P < 0.05, chi-square test.