Freeze-all policy: fresh vs. frozen-thawed embryo transfer.

  title={Freeze-all policy: fresh vs. frozen-thawed embryo transfer.},
  author={Matheus Roque and Marcello Valle and Fernando Marques Guimar{\~a}es and Marcos Sampaio and Selmo Geber},
  journal={Fertility and sterility},
  volume={103 5},
OBJECTIVE To compare in vitro fertilization (IVF) outcomes between fresh embryo transfer (ET) and frozen-thawed ET (the "freeze-all" policy), with fresh ET performed only in cases without progesterone (P) elevation. DESIGN Prospective, observational, cohort study. SETTING Private IVF center. PATIENT(S) A total of 530 patients submitted to controlled ovarian stimulation (COS) with a gonadotropin-releasing hormone-antagonist protocol, and cleavage-stage, day-3 ET. INTERVENTION(S) None… CONTINUE READING