VP23.01: Cardiac remodelling in fetuses conceived following natural cycle IVF versus conventional IVF. Issue Volume 58:Issue S1(2021)Supplement (14th October 2021) - Boutet, M.L.; Casals, G.; Valenzuela‐Alcaraz, B.; García‐Otero, L.; Crovetto, F.; Peralta, S.; Carrillo, P.; Guimerà, M.; Manau, D.; Gratacós, E.; Crispi, F.