Diabetes Management Delivery and Pregnancy Outcomes in Women with Gestational Diabetes Mellitus during the First Wave of the 2020 COVID-19 Pandemic: A Single Reference Centre Report

Wilk, Magdalena Surowiec Paulina Matejko Bartłomiej Cyganek Katarzyna Huras Hubert Malecki Maciej

The COVID-19 pandemic has forced a rapid adaptation of healthcare services to secure medical care for many patients' groups. This includes women with Gestational diabetes mellitus (GDM). We evaluated the impacts of the first COVID-19 wave on parameters such as the GDM treatment, glycemic control and pregnancy outcomes. In this retrospective study from a reference diabetes centre (Krakow, Poland), we compared patient data from two different time periods: the first wave of COVID-19 pandemic (March 2020 - June 2020) and the preceding five months (October 2019 - February 2020). Data was collected from the medical records and telephone surveys. No patient was diagnosed with concomitant COVID-19. We included 155 women - Group 1 N=73 and Group 2 N= 82 from the COVID-19 pandemic period and non-COVID-19 period, respectively. During the COVID-19 pandemic, almost half of all GDM women (N1=36, 49.3%) used telemedicine as a method of contacting their diabetic specialist while this tool was not utilized in the earlier period. Moreover, these patients reported difficulties in performing blood glucose self-control more often (N1=20, 27.4% vs. N2=7, 8.5% p=0.002) and spent less time on diabetes education and training than the control group on average (N1=39, 53.4% vs. N2=9, 9.8% below 2 hours of training;p≤0.001). Glycemic control parameters were very similar and most analysed pregnancy outcomes occurred with comparable frequencies. Differences were found with respect to the incidence of prolonged labour which was more frequent in the COVID-19 period Group 1 (N1=12, 16.4% vs. N2=3, 3.7% p=0.007) whereas no episodes of pre-eclampsia were observed in this group (N1=0 vs. N2=7, 8.5% p=0.01) during this same time period. We report that the first wave of the COVID-19 pandemic did not seem to have a negative impact on glycemic control and pregnancy outcomes in GDM women, in spite of difficulties in diabetes management delivery.