The Influence of Advanced Age, Obesity and Diabetes Type on Course and Outcome of Pregnancy With Diabetes Mellitus.

In women presenting for a routine antenatal appointment at 20 gestational weeks an ultrasound assessment will be carried out using the 3.5 MHz abdominal probe in order to assess foetal biometry and anatomy as per the guidelines. We will assess the utility of mid- and third trimester ultrasound parameters for prediction of intrapartal events and perinatal outcomes in patients with diabetes mellitus.

"The maternal baseline characteristics are defined by maternal age at enrollment, parity, number of prenatal visits, some indicators of socioeconomic status and habits, family history of DM (first degree) and prepregnancy hypertension.~The prepregnancy body mass index (BMI; kg/m2) will be calculated using the self-reported prepregnancy maternal weight; the pregnancy weight gain (kg) will be calculated by the difference between final pregnancy weight and prepregnancy maternal weight and was classified according to the prepregnancy BMI."