Whey Protein Pre-load and Postprandial Glycemia in Pregnancy

Inclusion Criteria: * Pregnant women between 24+0 and 27+6 (+/- 7 days) weeks of pregnancy after menstruation * BMI before pregnancy: 18 - 29.9 kg/m2 * No known underlying diseases * Understanding and voluntary signing of a consent form before study-related examinations Exclusion Criteria: * Age \< 18 years * Diabetes mellitus type 1 or type 2 * Drug therapy that raises or lowers blood sugar, e.g. steroids, antidiabetics, insulin. * Endocrine disorders (e.g. hyperthyroidism, polycystic ovary syndrome (PCOS), ...) * Current depression or other mental illnesses * Eating disorder * Regular intake of medication other than vitamins/trace elements during pregnancy * Estimated glomerular filtration rate (eGFR) \< 60 ml/min/1.73 m² * C-reactive protein \> 10 mg/l * Transaminase elevation of 2 times the upper norm * Pre-existing cardiac diseases * Drug and/or alcohol abuse * Hb \< 12 g/dl * No consent to be informed about incidentally discovered pathological findings * Any other (clinical) condition that would endanger participants safety or question scientific success according to the physicians opinion.