Table 2.

Baseline data characteristics comparison of SA group and control group.

Variables	CON (n = 12)	SA (n = 12)	P
Maternal age (year)	24.58 ± 3.26	24.41 ± 2.02	0.8817
Gravidity (year)	1 ± 0.58	1.25 ± 0.45	0.2629
Last menstrual period (day)	53.58 ± 5.46	52.9 ± 6.33	0.4971
Gestational sac size (mm3)	19.92 ± 2.54	18.08 ± 1.68	0.2088
Maternal body mass index (kg/m2)	17.97 ± 0.81	18.45 ± 0.43	0.2727

A P value of <0.05 indicated statistical significance.