with adverse obstetric and neonatal outcomes Liron Kogan, Uri Dior, Hagai Amsallem, Ayala Burger, Uri Elchalal, Yossef Ezra Hebrew University-Hadassah Medical Center, Department of Obstetrics and Gynecology, Jerusalem, Israel, Hebrew University-Hadassah Medical Center, Epidemiology Unit, Hebrew University School of Public Health, Jerusalem, Israel OBJECTIVE: To determine whether mild temperature elevation (37.137.9 Celsius degrees) developing during labor is a risk factor for adverse obstetric and neonatal outcome. STUDY DESIGN: A retrospective cohort analysis in a tertiary medical center between the years 2003-2010. Excluded: multiple pregnancies, elective cesarean deliveries, trial of labor after previous cesarean delivery, induction of labor using prostaglandins, fetal malformation, chromosomal abnormalities, stillbirths, and parturients suffering from intrapartum fever ( 38). A comparison was performed between women with maximal intrapartum temperature of 37 and two subgroups of women with maximal temperature of 37.1-37.4 and 37.537.9. Adjusted risk for adverse obstetric and neonatal outcome was calculated by using multiple logistic regression models to control for confounders. RESULTS: We studied 49,074 women with singleton pregnancies and spontaneous or induced labor. The frequency of intrapartum temperature of 37.1-37.4 and of 37.5-37.9 was 22.9% (n 11,259) and 2.9% (n 1,399), respectively. Mild elevation in maternal intrapartum temperature (37.1-37.4) was associated with higher rates of primary cesarean delivery and assisted vaginal delivery comparable to maternal temperature 37 (OR 1.5 and 1.2, 95% CI 1.4-1.6 and 1.1-1.3, P 0.001, respectively). A mildly elevated temperature (37.1-37.4) during labor in comparison with non-elevated temperature ( 37) was associated with greater risk for neonatal morbidity (asphyxia, convulsions, sepsis) and admission to neonatal intensive care unit (OR 2.2 and 1.8, 95% CI 1.7-2.8 and 1.6-2.1, P 0.001, respectively). Table 1 summarizes the associations of mildly elevated intrapartum fever with obstetrical and neonatal outcomes. CONCLUSION: Our data indicate that intrapartum sub febrile temperature is an important indicator of operative delivery and neonatal morbidity. 136 Rates of adverse pregnancy outcomes in women with nausea and vomiting of pregnancy Lorene Temming, Niki Istwan, Debbie Rhea, Cheryl Desch, Gary Stanziano, Saju Joy Carolinas Medical Center, Department of Obstetrics and Gynecology, Charlotte, NC, Alere Health, Department of Clinical Research, Atlanta, GA, Carolinas Medical Center, Maternal-Fetal Medicine, Charlotte, NC OBJECTIVE: To examine the influence of nausea and vomiting of pregnancy (NVP) on pregnancy outcomes. STUDY DESIGN: The study sample included primigravidas with current singleton gestation who voluntarily enrolled at 20 weeks gestation in a payor-provided maternity risk screening and education program with delivery at 20 weeks (n 81,486). Women with a history of diabetes were excluded. Patient-reported maternal characteristics and pregnancy outcomes were compared for women reporting NVP as a pregnancy complication vs. those without NVP using Pearson’s chisquare test statistic with 2-sided p-values 0.05 considered significant. RESULTS: Overall, 6.4% of women reported having mild to severe NVP symptoms complicating their pregnancy. Of those with NVP, 34.8% reported mild NVP requiring no hydration or pharmacologic intervention, while 65.2% reported moderate to severe symptoms with hydration or pharmacologic intervention required. Women reporting NVP were younger and more likely to be obese [pre-pregnancy body mass index (PPBMI) 30], single, and smoke; and less likely to have utilized artificial reproductive technology than those not reporting NVP. Pregnancy outcomes are compared for those with and without NVP in table, with several significant differences in outcomes. However, no significant differences in outcomes were observed for those women with mild (untreated) vs. moderate to severe (treated) NVP (all p 0.05). CONCLUSION: In this large study sample, primigravid women reporting mild to severe NVP as a pregnancy complication had higher rates of low pregnancy weight gain, preterm delivery, gestational hypertension/preeclampsia and small-for-gestational age infants than women that did not report having NVP. Poster Session I Clinical Obstetrics, Medical-Surgical-Disease, Neonatology, Physiology-Endocrinology www.AJOG.org