. 2011 Feb 15;8:70. doi: 10.1186/1743-422X-8-70

Table 2.

Physical growth status of live offspring

	No. of live fetuses	Body length ( $\bar{x}$ ± s mm)	Head circumference ( $\bar{x}$ ± s mm)	Weight ( $\bar{x}$ ± s g)
Experimental group	53	25.28 ± 1.77^{1, 3}	22.09 ± 2.35^1,3	1.26 ± 0.11^{1, 3}
Operation control group	82	26.29 ± 1.70²	23.98 ± 1.99²	1.41 ± 0.13²
Blank control group	78	26.27 ± 1.82	24.37 ± 1.74	1.41 ± 0.12

¹p < 0.01, experimental group versus operation control group

²p > 0.05, operation control group versus blank control group

³p < 0.01, experimental group versus blank control group