
A GnRH agonist and exogenous hormone stimulation protocol has a higher live-birth rate than a natural endogenous hormone protocol for frozen-thawed blastocyst-stage embryo transfer cycles: an analysis of 1391 cycles
Keywords: لقاح در خارج از بدن یا آیویاف; In vitro fertilization; cryopreserved; blastocyst; natural cycle; synthetic cycle; embryo transfer