Table 3 Multivariable logistic regression analysis of potential factors association with aneuploidy rate in both D5 and D6 groups

Age when OPU (years)

0.878(0.844–0.914)

 < 0.001

0.891(0.854–0.930)

 < 0.001

Body mass index(Kg/m²)

0.973(0.925–1.023)

0.286

Type of infertility

0.518(0.365–0.736)

 < 0.001

0.779(0.530–1.146)

0.205

Infertility duration

0.964(0.917–1.013)

0.148

Diagnosed with PCOS

0.531(0.323–0.871)

0.012

0.724(0.429–1.220)

0.225

Fertilization Mehtod (IVF/ICSI)^a

0.880(0.604–1.282)

0.505

No.of high quality embryos transferred

1.207(0.848–1.719)

0.296

Blastocyst developmental stage(D5/D6)^b

0.804(0.535–1.210)

0.296

0.756(0.491–1.162)

0.202

Abortion age (weeks)

0.927(0.833–1.031)

0.161

0.961(0.861–1.072)

0.473