PRE-Pregnancy Weight Loss And the Reducing Effect on CHILDhood Overweight - Copenhagen

"Subjects will receive very low-calorie diet for 8-10 weeks to introduce a rapid weight loss of approximately 10%. Once target weight is achieved, participants will be reintroduced to foods to introduce weight stability.~The male will follow the maternal randomization, i.e. weight loss if BMI ≥25 until a BMI of 23 or a weight loss of approximately 10% is obtained.~During weight loss maintenance, subjects will receive dietary counseling to follow a diet high in protein (corresponding to 22-25E%), high fiber and wholegrain while fulfilling the requirements for essential fatty acids, micronutrients and trace elements in accordance with Nordic Nutrition Recommendations (NNR) 2012.~Throughout the study period participants will be encouraged to follow the official recommendations for physical activity as recommended by the Danish health authorities 2022."