Authorship listSmalaj Margheret : corresponding author, writing of the original draft and review and editingTörnblom Paulander Sara : obstetrician, contributed to the clinical part of the CRTessier Aude : geneticist and fetal pathologist, contributed to the BWS and pathological descriptionBuxant Frédéric : chief of the obstetrics and gynecology unit, validationCassart Marie : fetal and pediatric radiologist, contributed to the correction and suggestions on this paper as well as the imaging part, supervision and validationGajewska Kalina : MFM specialist, contributed to the ultrasound specificities of the case, validation, supervision and validation