Table 1. General information about the nulliparous and postpartum groups.

Factors	Nulliparous	Postpartum	P value
Age (years)	29.51±4.56	30.79±4.47	0.378
Height (cm)	159.82±5.20	158.93±4.27	0.053
Weight (kg)	55.44±10.94	57.20±6.28	0.136
BMI	21.97±3.86	22.63±2.29	0.106

Statistical method: Student’s t-test. BMI, body mass index.