Table 1.

Comparison of baseline profile.

	Analgesic group (n = 45)	Nonanalgesic group (n = 45)	t-value	P value
Age (year)	25.61 ± 2.72	25.70 ± 2.68	−0.158	0.875
Height (cm)	162.27 ± 5.46	162.54 ± 5.31	−0.238	0.812
Weight (kg)	60.17 ± 7.76	60.31 ± 7.68	−0.086	0.932
Gestational week (week)	39.26 ± 1.72	39.33 ± 1.70	−0.194	0.847