According to research led by the Queen Mary University of London (QMUL) that involved almost 9,000 mother-child pairs, high maternal sugar intake during pregnancy may increase the risk of allergy and allergic asthma in the offspring. While there has been a lot of research that reports an association between a high consumption of sugar-containing beverages and asthma in children, there has been very less study on the relationship between sugar intake by the mother during pregnancy and allergy and asthma in the offspring.
Reference Link: https://www.sciencedaily.com/releases/2017/07/170705211904.htm