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The cross-sectional hospital based study was undertaken to provide an efficient and useful cut off point of maternal early third trimester weight, for low birth weight (LBW), based on receiver operating characteristics (ROC) curve among Bengalee mothers of Kolkata, India. A total of 233 mother-baby pairs were included in the present analysis. The means for maternal age and weight were 23.44 (SD = 3.88) years and 49.45 (7.19) kg, respectively. Means for gestational age and birth weight were 38.97 (1.12) week and 2664 (324) gm, respectively. The ROC curve analysis showed maternal weight < 48.0 kg as the best cutoff point of LBW. Data showed maternal weight < or = 48.0 kg had significantly higher OR (OR = 2.92, 95% CI: 1.56-5.51) for delivering LBW baby. In conclusion, the cut-off point of maternal early third trimester weight < or = 48.0 kg could be used for nutritional intervention programs in order to combat LBW among this population.

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OBJECTIVE: The study examined to what degree maternal early second trimester pregnancy weight is useful and efficient in predicting birth outcome of Bengalee women. SUBJECTS AND METHODS: The cross-sectional retrospective study was conducted in a government general hospital in South Kolkata, India. This hospital serves the needs of people belonging to lower and lower middle class socio-economic groups. Data were collected by one-to-one interview for confirmation of age, history of last menstrual period (LMP) including medical disorders. Mother's weight was recorded at 14-18 weeks of pregnancy from the history of LMP. Birth weight was measured within 24h of delivery and gestational age was assessed by Ballard's method using newborn physical and neurological maturity scoring. Of the 331 Bengalees, 295 mother-baby pairs met the recruitment criteria and were included in this study. RESULT: Mean +/- SD maternal early second trimester pregnancy weight and birth weight were 45.9+/-7.0kg and 2612+/-371g, respectively. The difference in mean weight (3.74kg) between mothers who delivered low birth weight (LBW) and normal birth weight (NBW) babies was statistically significant (t = 4.497, p < 0.001). Overall, the prevalence of LBW was nearly 34%. A higher incidence of LBW and lower mean birth weight was observed in first quartile or low weight (< or =40 kg) mothers. The rate of LBW decreased (chi2 =14.47, p<0.01) and mean birth weight increased significantly with increasing maternal weight (F=9.218, p<0.001). Risk ratio (RR) for LBW, intrauterine growth retardation (IUGR) and preterm birth in low weight (first quartile or <40.0 kg) mothers were 2.72 (95% confidence interval (CI): 1.45-5.10), 3.54 (95% CI: 1.17-10.74) and 1.97 (95% CI: 0.56-6.90), respectively, compared with heavier (>50.0kg) mothers. Finally, the present data showed that the maternal weight of <46.0 kg is the best cut-off for detecting LBW with 66% sensitivity and 75% negative predictive power. CONCLUSION: The findings suggest a positive association between maternal early second trimester pregnancy weight and birth outcome. The present study provided an efficient cut-off point for detecting LBW. Antenatal caregivers in health institutions and community health workers in the field can use this cut-off value for screening pregnant women at early second trimester.

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A Sick Newborn Care Unit (SNCU), established in a district hospital in India, substantially reduced the neonatal mortality rate in the district; it, however, suffered from a dearth of trained nurses. Local girls with 10-12 years of school education underwent structured and hands-on training for six months, followed by a six-month internship at the SNCU and were assigned to it as stipendiary 'Newborn Aides'. Based on the results of formal examinations, internal on-the-job assessment and interview of doctors, nurses, and parents and their technical skills and motivation were rated very high. Although the incremental cost of training is small, the cost of sustaining them, i.e. stipend and replacing attrition, needs to be addressed. Trained Newborn Aides may substantially alleviate human-resource constraint for SNCUs and Sick Newborn Stabilization units in smaller peripheral hospitals for care of sick newborns at an affordable cost.

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Low birth-weight is a leading health problem in developing countries. In a randomized controlled trial, the effect of antimicrobials in pregnant women on improving birth-weight and duration of gestation was evaluated. Two hundred twenty-four pregnant women in their second trimester were randomized to receive metronidazole (200 mg 3 times daily for 7 days) and cephalexin (500 mg twice daily for 5 days) orally by one group. The mean (+/-SD) birth-weights were 2,545 g (+/-374) and 2584 g (+/-358, p=0.51), the low birth-weight rates (<2.5 kg) were 40% and 36% (p = 0.28), and the prematurity rates were 8% and 11% (p = 0.6) in the treated group and the control group respectively. Due to small sample size, it is cautiously concluded that routine antimicrobials for genital and urinary tract infections of pregnant women do not improve birth-weight or duration of gestation. Rather an unexpected observation was the proportion requiring caesarian section or forceps, which was five-fold higher in the treated group (p = 0.001), and given no plausible explanations, this finding needs confirmation. Stunted mothers (<25th centile or 146.4 cm) had two-fold higher risk for low birth-weight (p = 0.04) and assisted delivery (p = 0.1). Low maternal body mass index (<25th centile or 18) had six-fold higher risk for stillbirth or abortion (p = 0.007), and high body mass index (>75th centile or 21.2) had three-fold higher risk for assisted delivery (p = 0.003).

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