1. From the Nuffield Department of Obstetrics & Gynaecology, University of Oxford, Women’s Centre, John Radcliffe Hospital, United Kingdom (C.M.-M., N.K., W.Z., V.M., A.S.C., A.B., R.D., I.L.S., C.W.R., M.V.); Biosciences, College of Health and Life Sciences, Brunel University London, Uxbridge, United Kingdom (C.M.-M., U.K.); and Department of Food and Nutritional Sciences, University of Reading, United Kingdom (D.T.).