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NSValues are presented as mean±standard deviation or number (%).
IVF, in vitro fertilization; ET, embryo transfer; GnRH-a, gonadotropin-releasing hormone agonist; FET, frozen-thawed embryo transfer cycle; NS, not significant; FSH, follicle stimulating hormone; hCG, human chorionic gonadotropin.
a)Controlled ovarian stimulation cycle for freezing.
