Comparison of the Euploid Rate of Blastocyst Between PPOS and GnRH Antagonist Protocol in Patients Undergoing PGT-A

Inclusion Criteria

• •Age of women \<43 years at the time of ovarian stimulation for IVF
• •Antral follicle count (AFC) \>=5 on day 2-5 of the period
• •PGT-A indicated for advanced maternal age (\>=38 years), recurrent miscarriage (\>=2 consecutive miscarriage) and repeated implantation failure (\>=4 embryos replaced or \>=2 blastocysts replaced without success), recurrent foetal aneuploidy