Maternal pregestational blood sugar level tied to adverse pregnancy outcomes: BMJ

Written By :  Dr. Shravani Dali
Medically Reviewed By :  Dr. Kamal Kant Kohli
Published On 2021-09-13 05:00 GMT   |   Update On 2021-09-13 05:01 GMT

Maternal pregestational blood sugar level are associated with adverse pregnancy outcomes, suggests a study published in the Epidemiology.Compared with the previous similar studies, researchers analysed the association of maternal pregestational blood sugar level with spontaneous abortion, induced abortion due to medical reasons, and stillbirth for the first time.The present study is one of...

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Maternal pregestational blood sugar level are associated with adverse pregnancy outcomes, suggests a study published in the Epidemiology.

Compared with the previous similar studies, researchers analysed the association of maternal pregestational blood sugar level with spontaneous abortion, induced abortion due to medical reasons, and stillbirth for the first time.

The present study is one of the few studies with large sample size addressing the impact of blood sugar level before pregnancy on adverse birth outcomes among the general women at childbearing age.

A group of researchers from China to investigate the association between maternal pregestational blood glucose level and adverse pregnancy outcomes.

This study was conducted in the Chongqing Municipality of China between April 2010 and December 2016. A total of 60 222 women (60 360 pregnancies) from all 39 counties of Chongqing who participated in the National Free Preconception Health Examination Project and had pregnancy outcomes were included.

Adverse pregnancy outcomes included spontaneous abortion, induced abortion or labour due to medical reasons, stillbirth, preterm birth (PTB), macrosomia, large for gestational age, low birth weight (LBW) and small for gestational age.

The results of the study are as follows:

· Of the 60 360 pregnancies, rates of hypoglycaemic, normoglycaemia, impaired fasting glycaemia (IFG) and diabetic hyperglycaemic before conception were 5.06%, 89.30%, 4.59% and 1.05%, respectively.

· Compared with women with normoglycaemia, women with pregestational glucose at the diabetic level might have a higher rate of macrosomia, whereas pregestational IFG seemed to be associated with reduced risks of many adverse outcomes, including spontaneous abortion, induced abortion due to medical reasons, PTB and LBW.

· After adjusting for potential confounders, pregestational diabetic hyperglycaemic was remained to be significantly associated with an increased risk of macrosomia.

· Abnormal maternal glucose levels before pregnancy seemed to have no significant negative effect on spontaneous abortion or induced abortion due to medical reasons.

The researchers concluded that although without overt diabetes mellitus, women with once diabetic fasting glucose level during their preconception examinations could be associated with an increased risk for macrosomia. Uniform guidelines are needed for maternal blood glucose management during pre-pregnancy care to improve pregnancy outcomes.

Reference:

Association between maternal pregestational glucose level and adverse pregnancy outcomes: a population-based a retrospective cohort study by Zeng M et. al published in the Epidemiology.

http://dx.doi.org/10.1136/bmjopen-2020-048530


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Article Source : British Medical Journal

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