{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T01:02:37Z","timestamp":1787014957134,"version":"build-2736575974"},"reference-count":30,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2011,10,13]],"date-time":"2011-10-13T00:00:00Z","timestamp":1318464000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Acta Obstet Gynecol Scand"],"published-print":{"date-parts":[[2012,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    <jats:italic>Objective.<\/jats:italic>\n                    \u2002To assess whether maternal HPA 1a alloimmunization is associated with birthweight.\u2002\n                    <jats:italic>Design.<\/jats:italic>\n                    \u2002A retrospective observational cohort study.\u2002\n                    <jats:italic>Setting.<\/jats:italic>\n                    \u2002The national reference laboratory for clinical platelet immunology at a university hospital.\u2002\n                    <jats:italic>Population.<\/jats:italic>\n                    \u2002165 HPA 1a incompatible pregnancies identified from a recent screening study of 100 448 women (124 pregnancies) and the national reference laboratory for clinical platelet immunology (41 pregnancies).\u2002\n                    <jats:italic>Methods.<\/jats:italic>\n                    \u2002A linear mixed model analysis was used to assess whether maternal anti\u2010HPA 1a antibodies were associated with birthweight. A generalized linear model was used to assess maternal anti\u2010HPA 1a antibodies as risk factor for small\u2010for\u2010gestational age neonates. Both models were adjusted for gestational age at time of delivery, maternal age, parity, smoking habits during pregnancy, preeclampsia, diabetes mellitus and fetal sex.\u2002\n                    <jats:italic>Main outcome measures.<\/jats:italic>\n                    \u2002Maternal anti\u2010HPA 1a antibody as risk factor of reduced birthweight and small\u2010for\u2010gestational age neonates.\u2002\n                    <jats:italic>Results.<\/jats:italic>\n                    \u2002The level of maternal anti\u2010HPA 1a antibodies was significantly associated with birthweight and risk of small\u2010for\u2010gestational age neonates after correcting for confounding variables (\n                    <jats:italic>p<\/jats:italic>\n                    &lt;0.001). However, this association was only significant for boys. When the mother had high levels of anti\u2010HPA 1a antibodies during pregnancy, the adjusted mean birthweight in boys was 530g lower compared with anti\u2010HPA 1a antibody negative pregnancies (\n                    <jats:italic>p<\/jats:italic>\n                    &lt;0.001).\u2002\n                    <jats:italic>Conclusions.<\/jats:italic>\n                    \u2002A linear relation between maternal anti\u2010HPA 1a antibody levels and reduced birthweight in boys was demonstrated. Reduced birthweight should be considered a possible complication of fetal and neonatal alloimmune thrombocytopenia.\n                  <\/jats:p>","DOI":"10.1111\/j.1600-0412.2011.01269.x","type":"journal-article","created":{"date-parts":[[2011,9,5]],"date-time":"2011-09-05T04:37:26Z","timestamp":1315197446000},"page":"79-86","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":59,"title":["Platelet antibodies and fetal growth: maternal antibodies against fetal platelet antigen 1a are strongly associated with reduced birthweight in boys"],"prefix":"10.1111","volume":"91","author":[{"given":"HEIDI","family":"TILLER","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"METTE 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