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 Obstetrical vacuum manufacturers have long recommended a maximum of two to three pop-offs be allowed before abandoning the procedure. However, there is a paucity of evidence on the safety of vacuum-assisted vaginal delivery in relation to the number of pop-offs to support this recommendation. Our objective was to examine whether the number of pop-offs in a vacuum-assisted vaginal delivery was associated with adverse neonatal outcomes.

 This is a retrospective cohort study of women who underwent a trial of a vacuum-assisted vaginal delivery at a single tertiary care institution between October 2005 and June 2014. Maternal and fetal factors associated with the number of pop-offs were examined in bivariable analyses. Multivariable analyses were performed to determine the independent association of the number of pop-offs with adverse neonatal outcomes.

 Of the 1,730 women who met inclusion criteria, 1,293 (74.7%) had no pop-offs, 240 (13.9%) had one pop-off, 128 (7.4%) had two pop-offs, and 69 (4.0%) had tfic guidelines on how many pop-offs can be allowed before abandoning a vacuum-assisted vaginal delivery.. · Having any vacuum pop-offs was associated with an increased risk of adverse neonatal outcomes.. · There was no dose-dependent association between number of pop-offs and adverse neonatal outcomes..

 The objectives of this study were to determine (1) whether obstetrical patients were more likely to be admitted from the emergency department (ED) for influenza compared with nonpregnant women, and (2) require critical care interventions once admitted.

 Using data from the 2006 to 2011 Nationwide Emergency Department Sample, ED encounters for influenza for women aged 15 to 54 years without underlying chronic medical conditions were identified. Women were categorized as pregnant or nonpregnant using billing codes. Multivariable log linear models were fit to evaluate the relative risk of admission from the ED and the risk of intensive care unit (ICU)-level interventions including mechanical ventilation and central monitoring with pregnancy status as the exposure of interest. Measures of association were described with adjusted risk ratios (aRRs) with 95% confidence intervals (CIs).

 We identified 15.9 million ED encounters for influenza of which 4% occurred among pregnant women. Pregnant patients with inl care.. · Influenza represents a significant disease burden in the obstetric population.

· Pregnancy confers three times the risk of admission from the ED for influenza.. · Pregnant women admitted with influenza are significantly more likely to require ICU-level care.. · Influenza represents a significant disease burden in the obstetric population.

 The etiology of anemia in premature neonates is multifactorial and may involve anemia of inflammation mediated by hepcidin. Hepcidin expression is suppressed by vitamin D. We aimed to investigate the interrelationship between hepcidin, anemia, and vitamin D status in preterm infants.

 Preterm infants aged 1 to 5 weeks were prospectively recruited at the neonatal intensive care unit of the Dana Dwek Children Hospital. Blood counts and serum levels of hepcidin, ferritin, iron, 25-hydroxyvitamin D [25(OH)D] and C-reactive protein (CRP) were measured and compared between anemic and nonanemic preterm infants.

 Forty-seven preterm infants (mean ± standard deviation gestational age at birth 32.8 ± 1.1 weeks, 66% males) were recruited. In total, 36% of the preterm infants were vitamin D deficient [25(OH)D < 20 ng/mL] and 15% were anemic. Hepcidin levels were significantly higher in anemic premature infants than in the nonanemic group (55.3 ± 23.9 ng/mL vs. 30.1 ± 16.3 ng/mL, respectively,

 < 0.05). No differences were found in iron, ferritin, 25(OH)D, and CRP levels between anemic and nonanemic premature newborn infants. A positive correlation was found between hepcidin and ferritin (R

 = 0.247,

 = 0.02) and a negative correlation was found between 25(OH)D and CRP (R

= 0.1,

 = 0.04). No significant correlations were found between 25(OH)D and hepcidin, iron, ferritin, or CRP.

 Anemia of prematurity was associated with high hepcidin serum levels. The exact mechanisms leading to anemia and the role of vitamin D warrant further investigation.

· Hepcidin levels were significantly higher in anemic premature infants.. · A positive correlation was found between hepcidin and ferritin.. · Negative correlation was found between 25(OH)D and CRP..

· Hepcidin levels were significantly higher in anemic premature infants.. · A positive correlation was found between hepcidin and ferritin.. · Negative correlation was found between 25(OH)D and CRP..

 The study aimed to determine if single year birth certificate data can be used to identify regional and hospital variation in rates of short interpregnancy interval (IPI < 6 months).

 IPI was estimated for multiparous women ages 15 to 44 years with singleton live births between 2015 and 2016. Perinatal outcomes, place of birth, maternal race, and data for IPI calculations were obtained by using birth certificates. IPI frequencies are presented as observed rates.

 The cohort included 562,039 multiparous women. Short IPI rates were similar to those obtained with analyses by using linked longitudinal data and confirmed the association with preterm birth. Short IPI rates varied by race and Hispanic nativity. There was substantial hospital (0.8-9%) and regional (2.9-6.2%) variation in short IPI rates.

 IPI rates can be reliably obtained from current year birth certificate data. This can be a useful tool for quality improvement projects targeting interventions and rapidly assessing their progress to promote optimal birth spacing.

· Near-real time regional and hospital IPI rates can be reliably obtained from current year birth certificate data.. · Substantial variations in rates of short IPI exist between hospital and perinatal regions.. · IPI rates from individual birth certificates can be a tool to target and assess interventions..

· Near-real time regional and hospital IPI rates can be reliably obtained from current year birth certificate data.. · Substantial variations in rates of short IPI exist between hospital and perinatal regions.. · IPI rates from individual birth certificates can be a tool to target and assess interventions..

 Obesity in pregnancy bears unique maternal and fetal risks. Obesity has also been associated with chronic inflammation, including elevated serum levels of interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α). Higher serum lipopolysaccharide (LPS) levels have been implicated in driving this inflammation, a phenomenon called metabolic endotoxemia (ME). GLP-2, a proglucagon-derived peptide, is believed to be integral in maintaining the integrity of the intestine in the face of LPS-mediated endotoxemia. We hypothesized that obesity and/or excess weight gain in pregnancy would be associated with an increase in maternal and neonatal markers of ME, as well as GLP-2.

 Paired maternal and neonatal (cord blood) serum samples (

 = 159) were obtained from our pregnancy biobank repository. Serum levels of LPS, endotoxin core antibody-immunoglobulin M (EndoCAb-IgM), and GLP-2 were measured by ELISA. IL-6 and TNF-α were measured using a Milliplex assay. Results were stratified by maternal body mass index (BMI), marum in association with excess GWG may protect against ME in pregnancy.

· Maternal serum levels of GLP-2, a proglucagon-derived peptide, are increased in obese, diabetic gravidae.. · Maternal serum GLP-2 levels are also increased in association with excess gestational weight gain compared with normal gestational weight gain.. PRI-724 clinical trial · GLP-2 may be increased in association with obesity and weight gain to protect against metabolic endotoxemia in pregnancy..

· Maternal serum levels of GLP-2, a proglucagon-derived peptide, are increased in obese, diabetic gravidae.. · Maternal serum GLP-2 levels are also increased in association with excess gestational weight gain compared with normal gestational weight gain.. · GLP-2 may be increased in association with obesity and weight gain to protect against metabolic endotoxemia in pregnancy..

 The study aimed to estimate the predictive value of midtrimester cervical length (CL) and the optimal cut-off of CL that should be applied with asymptomatic nulliparous women for the prediction of spontaneous preterm birth (sPTB).

 This is a prospective cohort study of asymptomatic nulliparous women with a singleton gestation. Participants underwent CL measurement by transvaginal ultrasound between 20 and 24 weeks of gestation. The participants and their health care providers remained blinded to the results of CL measurement. The primary outcomes were sPTB before 35 weeks and sPTB before 37 weeks. Receiver operating characteristics (ROC) curve analyses were performed. Analyses were repeated by using multiples of median (MoM) of CL adjusted for gestational age.

 Of 796 participants, the mean midtrimester CL was 40 ± 6 mm with a 1st, 5th, and 10th percentile of 25, 29, and 32 mm, respectively. ROC curve analyses suggest that a cut-off of 30 mm was the optimal CL to predict sPTB before 35 weeks (area unde.. · A midtrimester of CL less then 30 mm (5th percentile) should define a short cervix in asymptomatic nulliparous women..

 The objective of the study was to determine whether adding longitudinal measures of fundal height (FH) to the standard cross-sectional FH to trigger third trimester ultrasound estimated fetal weight (EFW) would improve small for gestational age (SGA) prediction.

 We developed a longitudinal FH calculator in a secondary analysis of a prospective cohort study of 1,939 nonobese pregnant women who underwent serial FH evaluations at 12 U.S. clinical sites. We evaluated cross-sectional FH measurement ≤ -3 cm at visit 3 (mean 32.0 ± 1.6 weeks) versus the addition of longitudinal FH up to and including visit 3 to trigger an ultrasound to diagnose SGA defined as birthweight <10th percentile. If the FH cut points were not met, the SGA screen was classified as negative. If FH cut points were met and EFW was <10th percentile, the SGA screen was considered positive. If EFW was ≥10th percentile, the SGA screen was also considered negative. Sensitivity, specificity, and positive predictive value (PPV) and negativfundal height trajectory.. · Longitudinal fundal height improves detection of SGA.. · As a low cost screening test, the fundal height calculator may decrease costs and morbidity through better prediction of SGA..

· We have developed an innovative calculator for fundal height trajectory.. · Longitudinal fundal height improves detection of SGA.. · As a low cost screening test, the fundal height calculator may decrease costs and morbidity through better prediction of SGA..

 Postpartum hypertension (PP-HTN), defined as systolic/diastolic blood pressure (SBP/DBP) ≥140/90, on two occasions at least 4 hours apart after delivery occurs in up to 50% of preeclamptic pregnancies, and is associated with adverse maternal outcomes. Excessive production of antiangiogenic factors (i.e., soluble fms-like tyrosine kinase 1 [sFLT1]) and reduced levels of proangiogenic factors (i.e., placental growth factor [PlGF]) are associated with preeclamptic pregnancies. The aim of this study was to identify clinical risk factors and/or serum biomarkers associated with PP-HTN in preeclampsia.

 Preeclamptic women (

 = 82, aged ≥18 years) were prospectively enrolled in an observational study. Serial blood pressures were obtained through the labor course and until 48 hours postpartum, and serum was obtained within 24 hours postpartum. Statistical analysis was performed by using Student's two-tailed

-test and Fisher's exact test.

 Baseline comorbidities and antihypertensive use were similar among those who developed PP-HTN and those who did not.

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