%0 Journal Article %A Erton, Zeynep Belce %A Sevim, Ecem %A de Jesús, Guilherme Ramires %A Cervera, Ricard %A Ji, Lanlan %A Pengo, Vittorio %A Ugarte, Amaia %A Andrade, Danieli %A Andreoli, Laura %A Atsumi, Tatsuya %A Fortin, Paul R %A Gerosa, Maria %A Zuo, Yu %A Petri, Michelle %A Sciascia, Savino %A Tektonidou, Maria G %A Aguirre-Zamorano, Maria Angeles %A Branch, D Ware %A Erkan, Doruk %A APS ACTION %T Pregnancy outcomes in antiphospholipid antibody positive patients: prospective results from the AntiPhospholipid Syndrome Alliance for Clinical Trials and InternatiOnal Networking (APS ACTION) Clinical Database and Repository ('Registry'). %D 2022 %@ 2053-8790 %U http://hdl.handle.net/10668/20164 %X To describe the outcomes of pregnancies in antiphospholipid antibody (aPL)-positive patients since the inception of the AntiPhospholipid Syndrome Alliance for Clinical Trials and InternatiOnal Networking Registry. We identified persistently aPL-positive patients recorded as 'pregnant' during prospective follow-up, and defined 'aPL-related outcome' as a composite of: (1) Preterm live delivery (PTLD) at or before 37th week due to pre-eclampsia (PEC), eclampsia, small-for-gestational age (SGA) and/or placental insufficiency (PI); or (2) Otherwise unexplained fetal death after the 10th week of gestation. The primary objective was to describe the characteristics of patients with and without aPL-related composite outcomes based on their first observed pregnancies following registry recruitment. Of the 55 first pregnancies observed after registry recruitment among nulliparous and multiparous participants, 15 (27%) resulted in early pregnancy loss In our multicentre, international, aPL-positive cohort, of 55 first pregnancies observed prospectively, 15 (27%) were complicated by early pregnancy loss. Of the remaining 40 pregnancies, composite pregnancy morbidity was observed in 9 (23%) pregnancies. %K antibodies, anticardiolipin %K antibodies, antiphospholipid %K antiphospholipid syndrome %~