OC01.01: *Fetal neurosonography and infant′s neurobehavioural tests in assisted reproductive technologies following fresh and frozen embryo transfer. Issue Volume 58:Issue S1(2021)Supplement (14th October 2021) - Boutet, M.L.; Eixarch, E.; Droguett, P. Ahumada; Crovetto, F.; Peralta, S.; Carrillo, P.; Guimerà, M.; Manau, D.; Gratacós, E.; Crispi, F.; Casals, G.