Abstract

Objective To investigate the effect of new nutritional weight management during pregnancy in the prevention of macrosomia and full-term low birth weight infants and the improvement of pregnancy outcomes. Methods 600 women with early pregnancy were examined and delivered in our hospital from January, 2017 to March, 2018 were randomly divided into a control group (200 cases) , an experimental group (200 cases) , and a propaganda and education experimental group (200 cases) . According to pre-pregnancy body mass index [BMI, BMI = body weight (kg) divided by height (m) square], the three groups were divided into underweight subgroups, standard weight subgroups, overweight subgroups, and obesity subgroups. A prospective study was conducted to investigate the effects of weight management on pregnancy outcomes in each group. Results The incidence of preterm birth was 5.00% (10/200) in the experimental group, 7.50% (15/200) in the propaganda and education experimental group, and 12.00% (24/200) in the control group, with a statistical difference between the experimental group and the control group (P<0.05). The incidences of macrosomia and low birth weight infants were 1.00% (2/200) and 0.50% (1/200) the experimental group, were 7.50% (15/200) and 6.00% (12/200) in the control group, and were 3.00% (6/200) and 1.00% (2/200) in the propaganda and education experimental group (all P<0.05). The incidences of abnormal glucose metabolism, pregnancy-induced hypertension, and postpartum depression were 10.00% (10/200), 1.00% (2/200), and 0.50% (1/200) in the experimental group, and were 12.00% (24/200), 1.00% (2/200), and 2.50% (5/200) in the propaganda and education experimental group, and were 19.00% (38/200), 4.50% (9/200), and 7.50% (15/200) in the control group, with statistical differences in those of the experimental group and the propaganda and education experimental group from those of the control group (all P<0.05). Conclusion Compared with body weight management, BMI management can reduce the incidences of premature birth, full-term low birth weight infants, macrosomia, abnormal glucose metabolism, and postpartum depression. Key words: New nutritional weight management during pregnancy; Macrosomia; Full-term low birth weight; Pregnancy outcomes

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