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The aim was to assess gross motor function in children with CZS. This was a cross-sectional investigation nested within a prospective cohort study of children with CZS based in a Brazilian referral hospital in Rio de Janeiro. Between March\/2017 and February\/2018, we performed gross motor function assessments using the Gross Motor Function Classification (GMFCS) and the Gross Motor Function Measure (GMFM), estimating the mean and standard deviation of GMFM scores among GMFCS groups. The study sample included 72 children, with a median age of 13\u00a0months (7\u201325). Of these, 63 (87.5%) had severe motor impairment, 3 (4%) had moderate impairment, and 6 (8%) had mild impairment. The mean GMFM score for each group was respectively 11.6, 26.1, and 81.6, with statistically significant differences (p-value\u2009&lt;\u20090.001). Severely affected children only achieved head control in the sitting posture when supported. Children with milder forms were able to develop walking skills.<\/jats:p>\n                  <jats:p>\n                    <jats:italic>Conclusion:<\/jats:italic>\n                    Most children with CZS have major motor disabilities and a poor prognosis. Better understanding of limitations and functionality in children with CZS can serve as a prognostic guide in their management.\n                    <jats:table-wrap>\n                      <jats:table>\n                        <jats:tbody>\n                          <jats:tr>\n                            <jats:td colspan=\"2\">\n                              <jats:bold>What is Known:<\/jats:bold>\n                              <jats:italic>\u2022 Severe motor impairment was present in 63 (87.5%) children with CZS.<\/jats:italic>\n                              <jats:italic>\u2022 The degree of neurological impairment was inversely associated with motor performance.<\/jats:italic>\n                            <\/jats:td>\n                          <\/jats:tr>\n                          <jats:tr>\n                            <jats:td colspan=\"2\">\n                              <jats:bold>What is New:<\/jats:bold>\n                              <jats:italic>\u2022 Microcephaly was more frequent among children with severe gross motor function impairment.<\/jats:italic>\n                              <jats:italic>\u2022 Children with CZS have major motor disabilities and a poor prognosis.<\/jats:italic>\n                            <\/jats:td>\n                          <\/jats:tr>\n                        <\/jats:tbody>\n                      <\/jats:table>\n                    <\/jats:table-wrap>\n                  <\/jats:p>","DOI":"10.1007\/s00431-021-04270-1","type":"journal-article","created":{"date-parts":[[2021,10,1]],"date-time":"2021-10-01T06:17:17Z","timestamp":1633069037000},"page":"783-788","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":16,"title":["Gross motor function in children with Congenital Zika Syndrome from Rio de Janeiro, Brazil"],"prefix":"10.1007","volume":"181","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2478-9144","authenticated-orcid":false,"given":"Carla Trevisan M.","family":"Ribeiro","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3857-2787","authenticated-orcid":false,"given":"Tatiana","family":"Hamanaka","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6246-8915","authenticated-orcid":false,"given":"Sheila","family":"Pone","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mitsue Senra","family":"Aibe","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1554-943X","authenticated-orcid":false,"given":"Saint Clair","family":"Gomes","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1742-5211","authenticated-orcid":false,"given":"Karin","family":"Nielsen-Saines","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0280-2288","authenticated-orcid":false,"given":"Elizabeth B.","family":"Brickley","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2034-0294","authenticated-orcid":false,"given":"Maria Elisabeth","family":"Moreira","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5152-2242","authenticated-orcid":false,"given":"Marcos","family":"Pone","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2021,10,1]]},"reference":[{"key":"4270_CR1","doi-asserted-by":"publisher","unstructured":"Wheeler AC, Ventura CV, Ridenour T et al (2018) Skills attained by infants with congenital Zika syndrome: Pilot data from Brazil.\u00a0PLoS One\u00a013(7):e0201495. 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