Wednesday, July 20, 2016

Women Health: The Obesity and Pregnacy' Research and Studies of Gestational weight gain on maternal and neonatal outcomes

Kyle J. Norton(Scholar, Master of Nutrients), all right reserved.
Health article writer and researcher; Over 10.000 articles and research papers have been written and published on line, including world wide health, ezine articles, article base, healthblogs, selfgrowth, best before it's news, the karate GB daily, etc.,.
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Some articles have been used as references in medical research, such as international journal Pharma and Bio science, ISSN 0975-6299.

Obesity is a medical condition of excess body fat accumulated overtime, while overweight is a condition of excess body weight relatively to the height. According to the Body Mass Index(BMI), a BMI between 25 to 29.9 is considered over weight, while a BMI of over 30 is an indication of obesity. According to the statistic, 68% of American population are either overweight or obese.

You can calculate your BMI index BMI= weight (kg)/ height (m2)

The Studies of Gestational weight gain on maternal and neonatal outcomes

The prevalence of childbearing age obesity is wide spreading in US, approximately, 50% of them are either overweight [body mass index (BMI) 25-29.9 kg/m(2)] or obese (BMI ≥ 30 kg/m(2)).
Gestational weight gain on pregnancy outcome depend on the woman's pre-pregnancy BMI. In the study to evaluate the effects of gestational weight gain on maternal and neonatal outcomes in different body mass index (BMI) classes by the Yale University School of Medicine, posted in PubMed, showed that Only 30.6% of women gained the recommended amount of weight during pregnancy; 52.3% of women gained more than recommended, and 17.1% gained less than recommended. In women with normal pre-pregnancy BMI, excess weight gain was associated with increased rates of gestational hypertension (OR 1.27; 95% CI 1.08-1.49), augmentation of labour (OR 1.09; 95% CI 1.01-1.18), and birth weight>or=4000 g (OR 1.21; 95% CI 1.10-1.34). In overweight women, excess weight gain was associated with increased rates of gestational hypertension (OR 1.31; 95% CI 1.10-1.55) and birth weight>or=4000 g (OR 1.30; 95% CI 1.15-1.47). In women who were obese or morbidly obese, excess weight gain was associated with increased rates of birth weight>or=4000 g (OR 1.20; 95% CI 1.07-1.34) and neonatal metabolic abnormality (OR 1.31; 95% CI 1.00-1.70). In morbidly obese women, poor weight gain was associated with less use of epidural analgesia (OR 0.34; 95% CI 0.12-0.95). In women who were of normal weight, overweight, or obese, the rate of adverse outcome (Caesarean section, gestational hypertension, birth weight<2500 g or birth weight>or=4000 g) was lower in women with recommended weight gain than in those with excess weight gain. Adverse outcomes were reduced in nulliparous morbidly obese women who had poor weight gain (OR 0.18; 95% CI 0.04-0.83).

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