Table 1.

Summary of the general information of the 3 groups of research subjects.

Index	Normal nulliparous group (n = 30)	Normal parous group (n = 40)	Uterus removed (n = 76)
Age	24.433 ± 2.687	53.500 ± 5.822	52.566 ± 5.913
BMI (kg/m2)	21.565 ± 1.867	23.142 ± 1.295	22.971 ± 1.788
Parity	0	1.350 ± 0.483	1.263 ± 0.443
Gravidity	0	2.125 ± 0.723	2.067 ± 0.759

BMI = body mass index.