Table 1.

Characteristics of the patients in the two groups

	N	Mean age	Gestational age (day)	Parity	BMI (kg/m2)
IVF-ET group	4	30.66 ± 3.76	49.44 ± 3.14	1.10 ± 1.21	23.33 ± 3.17
Control group	4	28.86 ± 3.45	49.35 ± 3.23	2.21 ± 0.89	22.99 ± 2.35
t		0.833	0.637	0.858	1.311
p		0.425	0.529	0.437	0.263