Figure 2. Summary of a meta-analysis (presenting the adjusted odds ratios [aOR] and 95% confidence intervals [CI]) examining the secondary obstetric outcomes in singleton ART pregnancies after FET and fresh embryo transfer. a: Summary of a meta-analysis of two studies (presenting the adjusted odds ratios [aOR] and 95% confidence intervals [CI]) examining PIH as an obstetric outcome in singleton ART pregnancies after FET and fresh embryo transfer. b: Summary of a meta-analysis of four studies (presenting the adjusted odds ratios [aOR] and 95% confidence interval [CI]) assessing placenta previa as an obstetric outcome in singleton ART pregnancies after FET and fresh embryo transfer. c: Summary of a meta-analysis of two studies (presenting the adjusted odds ratios [aOR] and 95% confidence intervals [CI]) evaluating placenta accreta as an obstetric outcome in singleton ART pregnancies after FET and fresh embryo transfer.