[1] Univ Birmingham, Inst Metab & Syst Res, Tommys Natl Ctr Miscarriage Res, Birmingham B15 2TT, W Midlands, England
[2] Birmingham Womens & Childrens NHS Fdn Trust, Mindelsohn Way, Birmingham B15 2TG, W Midlands, England
[3] Spanish Council Sci Res, Inst Environm Assessment & Water Res, Barcelona, Spain
[4] Heart England NHS Fdn Trust, Heartlands Hosp, Birmingham B9 5SS, W Midlands, England
[5] Univ Warwick, Reprod Hlth, Coventry CV4 7AL, W Midlands, England