First trimester obstetric outcome of frozen thawed embryo transfer: does the stage of embryo make any difference?

Background: The direction of management and outcome of frozen thawed embryo transfer (FET) is becoming different day by day with the invention of newer technologies and application of it as a treatment modality in modern medicine. It also contributes to around 25% of births because of Assisted Reproductive Technology (ART) procedures worldwide today.

Methods: A prospective longitudinal study was conducted at ART Center of tertiary care hospital.