Cerebral palsy risk factors: international experience Raushan Issayeva, Aigerim Aliakparova, Symbat Abzaliyeva, Gulzhan Kassenova and Gulnara Tashenova E3S Web Conf., 159 (2020) 08006 Published online: 24 March 2020 DOI: 10.1051/e3sconf/202015908006