Influence of Pregnancy and Post-partum Feeding Method (Breastfeeding Versus Bottlefeeding) on Maternal Hemodynamics (Central and Peripheral) and Vascular Function

Inclusion Criteria: * Age between 20 and 40 years old * Singleton pregnancy * First pregnancy at the minimum age of 18 years * In good health, especially no cardiovascular diseases, diabetes or a BMI \> 30 kg/m2 * Capable in understanding properly the ICF and the investigators Exclusion Criteria: * On chronic medication, especially antihypertensive or antidiabetical drugs * Multiple pregnancy * First pregnancy before the age of 18 years old * Smoking more than 10 cigarettes/day, drinking more than 3 units of alcohol/day or more than 5-6 units of caffeine-containing drinks * The use of any extralegally drugs * Not able to have reliable blood pressure or hemodynamic data at screening