Four weeks of probiotic supplements in women with diet-controlled gestational diabetes in the late second and early third trimester lowered fasting glucose and increased insulin sensitivity. Probiotic supplements may be considered as an adjunct treatment for glycemic control in these patients.
In high-risk pregnancy, Berlin and Stop-Bang questionnaires were of limited usefulness in the first trimester. However their predictive values are acceptable as pregnancy progresses, particularly in second trimester. OSA in pregnancy seems to be a dynamic process with different predictors association during each trimester.
Registry: ClinicalTrials.gov; Title: Obstructive Sleep Apnea and Gestational Diabetes: Incidence and Effects of Continuous Positive Airway Pressure Treatment on Glucose Metabolism; Identifier: NCT02108197; URL: https://clinicaltrials.gov/ct2/show/NCT02108197.
The aim of this study was to determine the prevalence of gestational diabetes mellitus (GDM) and the pregnancy outcomes in Asian women with polycystic ovary syndrome (PCOS). The retrospective cohort study was performed to compare pregnancy outcomes of 47 pregnancies in 41 PCOS women with 264 pregnancies in 222 women with normal menstruation. Logistic regression was used to assess the risk of PCOS on GDM, hypertensive disorder in pregnancy (HDP) and premature delivery. The mean age of both groups was 31 years. The mean body mass index (BMI) and proportion of BMI of > 25 kg/m2 were significantly higher in the PCOS than in the control group. There was no difference in the prevalence of GDM between the PCOS women and the high-risk group of the controls. The prevalence of HDP and premature delivery was significantly greater in PCOS women (21.3 and 13.3%) than in the controls (6.4 and 5.4%), respectively. PCOS was demonstrated as a risk factor for GDM and HDP with borderline statistical significance, but not for premature birth. The Cesarean section rate was higher in the PCOS than in the control group. In conclusion, the prevalence of GDM in Asian women with PCOS is high and comparable to those of a high-risk group.
This review aims to evaluate the performance of obstructive sleep apnea (OSA) screening questionnaires during pregnancy. A systematic review and meta-analysis was performed using MEDLINE Scopus, CINAHL, and the Cochrane library. A bivariate meta-analysis was applied for pooling of diagnostic parameters. Six of the total 4719 articles met the inclusion criteria. The Berlin questionnaire (BQ, N = 604) and Epworth sleepiness scale (ESS, N = 420) were the most frequently used screening tools during pregnancy. The pooled prevalence of OSA during pregnancy was 26.7% (95%CI: 16.9%, 34.4%, I = 83.15%). BQ performance was poor to fair with pooled sensitivity and specificity of 0.66 (95%CI: 0.45, 0.83; I = 78.65%) and 0.62 (95%CI: 0.48, 0.75; I = 81.55%), respectively. BQ performance was heterogeneous depending on type of reference test and pregnancy. Sensitivity increased if diagnosis was based on polysomnography (0.90), and respiratory disturbance index (0.90). However, sensitivity decreased if screening was performed in early pregnancy (≤20 weeks gestation: 0.47), and high-risk pregnancy (0.44). Performance of ESS was poor with pooled sensitivity and specificity of 0.44 (95%CI: 0.33, 0.56; I = 32.8%) and 0.62 (95%CI: 0.48, 0.75; I = 81.55%), respectively. In conclusion, BQ and ESS showed poor performance during pregnancy, hence a new OSA screening questionnaire is needed. Registration: PROSPERO registration CRD42015025848.
Background: Delayed cord clamping (DCC) improves placental transfusion and increases blood volume in preterm infants when compared with immediate cord clamping (ICC). However, evidence to support DCC in multiple-birth preterm infants is still lacking. Objective: To compare the outcomes of ICC versus DCC in preterm infants of multiple births. Study Design: Women with a multiple pregnancy, including twins and triplets with a gestational age of 28–36 weeks, were randomized to receive ICC (23 women and 50 infants) or DCC for 30–60 s (24 and 51 infants). The infants’ hematocrit on admission, superior vena cava (SVC) flow measured within 24 h, and hematocrit at 8 weeks of age were compared. The use of uterotonic agents during delivery was not controlled in this study. Result: All infants were delivered by cesarean section (CS) except for 2 sets of twins, 1 in each group. Maternal and infant baseline characteristics in both groups were comparable. There were no significant differences between the groups in admission hematocrit, SVC flow measured within 24 h, hematocrit at 8 weeks of age, or any other neonatal outcomes. The incidence of maternal postpartum hemorrhage (PPH) was higher in the DCC group (4.3% in ICC vs. 25% in DCC, p = 0.04). Conclusion: DCC for 30–60 s did not improve placental transfusion or increase systemic blood flow in multiple-birth infants born preterm, mostly by CS, when compared with ICC. The finding of a higher PPH rate in the DCC group raises concerns about the maternal safety of this procedure in this patient population.
The aim of the present study was to evaluate whether adiponectin is a predictive factor for gestational diabetes mellitus (GDM) and is appropriate as a screening test for GDM. Three-hundred and fifty-nine women with singleton pregnancy and indications for GDM screening according to criteria of the American College of Obstetricians and Gynecologists were enrolled in the study between July 5, 2004 and March 11, 2005. After confirming gestational age (GA) and number of fetuses by ultrasound, all women underwent a 1-h glucose challenge test with 50 g glucose load (50-g GCT) between 21 and 27 weeks of GA. Blood samples for determination of adiponectin levels were also obtained on the same day. Subsequently, between 24 and 28 weeks of GA, the women underwent an oral glucose tolerance test with 100 g glucose load (100-g OGTT). The diagnosis of GDM was established when two or more of the following criteria were fulfilled: (1) fasting glucose >95 mg/dl; (2) 1-h glucose >180 mg/dl; (3) 2-h glucose >155 mg/dl; (4) 3-h glucose >140 mg/dl. Sixty women were diagnosed with GDM, a prevalence of 16.7%. There was no difference in age between the GDM and non-GDM groups. Pre-pregnancy and sampling-day body mass index (BMI), increase in weight and all blood glucose levels were greater in women with GDM than in those without (p < 0.05). Adiponectin concentrations were significantly negatively correlated with GA and plasma glucose levels of the GCT and each OGTT. Using logistic regression analyses, adiponectin, but not age, pre-pregnancy BMI and increase in weight, was demonstrated as an independent predictive factor for GDM. The area under the receiver-operator characteristic curve of adiponectin was significantly lower than that of the GCT [0.63 (95% confidence interval (CI) 0.53-0.67) vs. 0.73 (95% CI 0.71-0.80), p < 0.001]. At a cut-off value of 140 mg/dl of the 50-g GCT, the sensitivity and specificity of the test were 90% and 61%, respectively. The 50-g GCT could identify GDM in 54 (90%) out of 60 women. On the other hand, at an arbitrary cut-off value of 10 microg/ml for adiponectin, sensitivity of 91% and specificity of 31% were achieved. If this cut-off value was used for ruling in or out pregnant women for the GDM screening, 27% of all women could be eliminated from needing to perform an OGTT, with five women (8.3%) misclassified. In conclusion, this study demonstrated that adiponectin was an independent predictor for GDM. As for GDM screening, adiponectin was not as strong a predictor as GCT. However, with advantage of being less cumbersome, adiponectin could be used to rule out pregnant women at low risk of GDM.
The procedure-related fetal loss rates in pregnant women ≥35 years old after amniocentesis before 24 and 28 complete weeks were 0.17 and 0.50%, respectively. The certain factors influencing the risk of fetal loss might be independent of the amniocentesis procedure.
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