Today, one of the major health problems facing Social Security hospitals, preterm birth is because despite treatment efforts used to extend the length of gestation, are the basic cause of perinatal morbidity and mortality high The present study sought to determine whether any treatment plans that are being ‘used in the management of preterm labor, have a similar effect or one of them is safer than the other, depending on their immediate effects on the newborn and equally effective in the management of this damage.The research was done in a group of 30 pregnant women in the third quarter that initial diagnosis, had an indication for sedation of uterine dynamics and then in the group of 30 newborns of these mothers, allowing us to assess the effect of such treatments in the welfare of each of newborns through tests of fetal wellbeing as APGAR score at one minute and 5 minutes, color of a...