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Mid-trimester blood glucose levels and pregnancy outcomes in large babies


T R N Fernando

Rajarata University, LK
About T
Department of Obstetrics and Gynaecology,
Faculty of Medicine
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Introduction: Large for gestational age at term could be following maternal diabetes and it affects neonatal mortality and morbidity. The aims of this study were to assess, firstly the mid-trimester blood glucose levels and secondly to assess the pregnancy outcomes of the macrosomic babies.

Methods: This was a retrospective descriptive study conducted at labour room C of Castle Street Hospital for Women during 15th May 2012 to 25th October 2012. Pregnancy records, delivery notes and admission notes to the neonatal care units were retrieved in order to find the mid-trimester blood glucose levels, mode of delivery, neonatal morbidity and mortality, stillbirth rate and occurrence of shoulder dystocia.

Results: There were 149 with a BW of 3.5kg out of 1363 total deliveries. Rate of macrosomia was 11%. There were 133 women with documented ANBG. Majority (90%) of the women with a BW of 3.5Kg were classified as non-diabetes. Out of the mothers who were diagnosed as diabetes (15 cases) in pregnancy, 13 were gestational diabetes (GDM) while two were type 2 diabetes. Majority had a vaginal delivery (n-105, 70.5%). Out of these, six (4%) were instrumental deliveries (4-forcep, 2 vacuum deliveries). There was one stillbirth and zero neonatal deaths reported in this study group. There were three (2%) third degree perineal tears, two following NVD and one following forceps delivery.

Conclusions: Majority of mothers with babies with birthweight >3.5 kg did not have altered blood glucose levels. Further prospective studies are needed to define the association of adverse perinatal outcomes and macrosomia.


Sri Lanka Journal of Obstetrics and Gynaecology 2013; 35: 84-85


How to Cite: Fernando, T.R.N., 2014. Mid-trimester blood glucose levels and pregnancy outcomes in large babies. Sri Lanka Journal of Obstetrics and Gynaecology, 35(3), pp.84–85. DOI:
Published on 02 Jan 2014.
Peer Reviewed


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