Abstract
IntroductionDue to normal physiological changes in various anthropometric indices during pregnancy, the routine measurements of body weight, height, waist circumference, and waist-to-hip ratio are deemed inappropriate in predicting obesity and risk of gestational diabetes mellitus in pregnancy. Neck circumference is a novel marker to determine the risk of gestational diabetes in pregnancy. We conducted this study to determine the correlation between neck circumference and gestational diabetes mellitus and its associated risk factors.MethodsThis was an observational, cross-sectional study conducted at Jinnah Allama Iqbal Institute of Diabetes and Endocrinology (JAIDE), Allama Iqbal Medical College/ Jinnah Hospital, Lahore from July 2017 to March 2018. Pregnant females at 16 weeks of gestation underwent measurement of weight, height, body mass index, neck, and waist circumference. At the 24th gestational week, an oral glucose test was conducted and fasting lipid profile, serum albumin, and uric acid were measured. Pearson’s correlation was used to see any correlation between neck circumference and gestational diabetes and its associated risk factors.ResultsThere were 90 subjects in the study with a mean age 30.8 ± 3.2 (range: 26 – 34) years. The waist and neck circumference at 16 weeks of gestation measured 104.2 ± 9.0 cm and 36.1 ± 2.8 cm, respectively. Age, weight, waist circumference, and body mass index were positively and significantly correlated with neck circumference (p-value < 0.05). After adjusting for age, the correlation between neck circumference and weight, waist circumference, and body mass index (BMI) was statistically significant with a p-value < 0.05. Analysis of the receiver operating curve revealed that the cut-off value of neck circumference for predicting gestational diabetes was 35.70 cm with a sensitivity of 51.4% and specificity of 81.2%.ConclusionNeck circumference at the 16th gestational week is a reliable and valid tool to predict gestational diabetes mellitus at 24 weeks of gestation.
Highlights
Due to normal physiological changes in various anthropometric indices during pregnancy, the routine measurements of body weight, height, waist circumference, and waist-to-hip ratio are deemed inappropriate in predicting obesity and risk of gestational diabetes mellitus in pregnancy
Weight, waist circumference, and body mass index were positively and significantly correlated with neck circumference (p-value < 0.05)
We evaluated the correlation between neck circumference and various risk factors for gestational diabetes mellitus
Summary
Due to normal physiological changes in various anthropometric indices during pregnancy, the routine measurements of body weight, height, waist circumference, and waist-to-hip ratio are deemed inappropriate in predicting obesity and risk of gestational diabetes mellitus in pregnancy. Neck circumference is a novel marker to determine the risk of gestational diabetes in pregnancy. We conducted this study to determine the correlation between neck circumference and gestational diabetes mellitus and its associated risk factors
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