No significant differences were observed between the two groups in terms of the type of BCT (P=0.704), parental origin of BCT (P=0.523), maternal age (P=0.15), paternal age (P=0.716), anti-Mullerian hormone (AMH) levels (P=0.688), antral follicle count (AFC) (P=0.707), body mass index (BMI) (P=0.681), type of infertility (P=0.479), number of previous miscarriages (P=0.486), with PCOS (P=0.893), or with male factor (P=0.427). Here, AMH is linked to polycystic ovary syndrome.