For two groups , the rate of caesarean section was @ % and @ % , the mean body weight gain per week after @ weeks of gestational age ( @ @ ) and ( @ @ ) kg , the labor pain score are @ @ and @ @ , the duration of labor ( @ @ ) and ( @ @ ) h , the neonatal birth weight ( @ @ ) and ( @ @ ) kg and the rate of macrosomia @ % and @ % respectively .