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At least 973 records · Page 54Linked to original sources
PubMed1980

Obesity in pregnancy: risks and outcome.

Obesity has been associated in the literature with other pregnancy risks such as hypertension and diabetes mellitus, but disagreement persists about the expected course and complications of labor. Also, the effects of obesity on intrauterine growth and gestational duration have not been well defined. This study of 2746 consecutive deliveries used a computer-based uniform perinatal record to compare 300 pregnancy risk and outcome factors for obese and nonobese patients. The 279 obese women (more than 90 kg at some time during the pregnancy) were found to be older and of higher parity than the 2467 who were not obese. Those in the obese group were at increased antepartum risk and had increased frequencies of chronic hypertension, inadequate pregnancy weight gain, twin gestation, and diabetes mellitus. Oxytocin induction and repeat cesarean sections were performed more frequently for the obese patients, with no increase in complications during the current labor. The frequency of labor abnormalities, oxytocin augmentation, and primary cesarean section was similar to that of the comparison group. Examination of infant outcome revealed similar Apgar scores and perinatal mortality in the 2 groups, but fewer low-birth-weight infants (under 2500 g) and more macrosomic babies (over 4000 g) occurred in the obese population. This increase in birth weight was accounted for not only by an increase in the birth weight percentile, but also by a significant lengthening of the period of gestation.

Adult↗
PubMed2000

Antecedents and neonatal consequences of low Apgar scores in preterm newborns: a population study.

BACKGROUND: To examine the antenatal and early neonatal correlates of low Apgar scores (<3 and <6 at 1 and 5 minutes) in preterm newborns (23-34 weeks' gestation). OBJECTIVE: The use of Apgar scoring for premature newborns remains widespread, despite controversy regarding its reliability as a measure of morbidity and mortality in the neonatal period. DESIGN: A cohort of 852 preterm newborns born during a 34-month period between 1984 and 1987 was studied. Newborns were stratified into 2 groups by gestational age (23-28 weeks and 29-34 weeks), and data were analyzed, controlling for gestational age in single weeks. SETTING: Two academic and 1 community hospital, which together accounted for 83% of all preterm births in a tri-county area of central New Jersey during the study period. PATIENTS: All premature newborns (birth weight <2000 g and gestational age <35 weeks) born in the participating hospitals during the study period were evaluated. MAIN OUTCOME MEASURES: Antecedents included maternal illness during pregnancy, maternal complications of labor and delivery, and fetal heart rate abnormalities during labor and delivery. Consequences included delivery room resuscitation, abnormal physical findings, diagnoses, and therapeutic interventions in the first 6 to 8 hours of life. RESULTS: Premature newborns with low Apgar scores received more cardiopulmonary resuscitation in the delivery room and in the first 6 to 8 hours of neonatal intensive care. Mortality was significantly increased among newborns with low Apgar scores (54% vs. 26% in the 23- to 28-week stratum, 30% vs 6% in the 29- to 34-week stratum). Newborns with low Apgar scores in the 29- to 34-week stratum more often required intubation, positive pressure ventilation, and umbilical vessel catheterization. Newborns with low Apgar scores had higher rates of bradycardia, pneumothoraces, acidosis, and increased oxygen requirement during the first 6 to 8 hours of life. Maternal illness, complications of labor and delivery;, and fetal heart rate decelerations did not correlate with subsequent Apgar scores of newborns. The presence of severe bradycardia (<90/min) and fetal heart rate accelerations correlated with low Apgar scores in the 29- to 34-week group. CONCLUSION: Low Apgar scores are associated with increased neonatal morbidity and mortality in preterm newborns. Antenatal maternal history, and pregnancy complications are not clearly associated with low Apgar scores. Therefore, the Apgar score is a useful tool in assessing neonatal short-term prognosis and the need for intensive care among preterm newborns.

Apgar Score↗