1. From the Departments of Obstetrics and Gynecology (L.L., L.A., K.K.) and Medical Nutrition (J.-Å.G.), Institution for Clinical Science, Intervention, and Technology (CLINTEC), Karolinska Institutet, Karolinska University Hospital, Huddinge Campus, Stockholm, Sweden; and Maternal and Fetal Research Unit (L.P.), St Thomas’s Hospital, Kings College London, United Kingdom.