1 Department of Obstetrics, Angers University Hospital, Angers, France.
2 Department of Neonatal Medicine, Angers University Hospital, Angers, France.
3 Department of Reproductive Medicine, Angers University Hospital, and MITOVASC Institute, CNRS 6015, INSERM U1083, Angers University, Angers, France.
4 Department of Biostatistics and Methodology, Angers University Hospital, Angers, France.
5 Department of Obstetrics, Angers University Hospital, Angers, and CESP-INSERM, U1018, Team 7, Reproductive and sexual health, Paris-Sud University, Kremlin-Bicêtre, France.