RT Journal Article T1 Risk factors associated with adverse fetal outcomes in pregnancies affected by Coronavirus disease 2019 (COVID-19): a secondary analysis of the WAPM study on COVID-19. A1 Di Mascio, Daniele A1 Sen, Cihat A1 Saccone, Gabriele A1 Galindo, Alberto A1 Grünebaum, Amos A1 Yoshimatsu, Jun A1 Stanojevic, Milan A1 Kurjak, Asım A1 Chervenak, Frank A1 Rodríguez Suárez, María José A1 Gambacorti-Passerini, Zita Maria A1 Baz, María de Los Angeles Anaya A1 Aguilar Galán, Esther Vanessa A1 López, Yolanda Cuñarro A1 De León Luis, Juan Antonio A1 Hernández, Ignacio Cueto A1 Herraiz, Ignacio A1 Villalain, Cecilia A1 Venturella, Roberta A1 Rizzo, Giuseppe A1 Mappa, Ilenia A1 Gerosolima, Giovanni A1 Hellmeyer, Lars A1 Königbauer, Josefine A1 Ameli, Giada A1 Frusca, Tiziana A1 Volpe, Nicola A1 Luca Schera, Giovanni Battista A1 Fieni, Stefania A1 Esposito, Eutalia A1 Simonazzi, Giuliana A1 Di Donna, Gaetana A1 Youssef, Aly A1 Della Gatta, Anna Nunzia A1 Di Donna, Mariano Catello A1 Chiantera, Vito A1 Buono, Natalina A1 Sozzi, Giulio A1 Greco, Pantaleo A1 Morano, Danila A1 Bianchi, Beatrice A1 Lombana Marino, Maria Giulia A1 Laraud, Federica A1 Ramone, Arianna A1 Cagnacci, Angelo A1 Barra, Fabio A1 Gustavino, Claudio A1 Ferrero, Simone A1 Ghezzi, Fabio A1 Cromi, Antonella A1 Laganà, Antonio Simone A1 Laurita Longo, Valentina A1 Stollagli, Francesca A1 Sirico, Angelo A1 Lanzone, Antonio A1 Driul, Lorenza A1 Cecchini D, Fabiana A1 Xodo, Serena A1 Rodriguez, Brian A1 Mercado-Olivares, Felipe A1 Elkafrawi, Deena A1 Sisti, Giovanni A1 Esposito, Rosanna A1 Coviello, Antonio A1 Cerbone, Marco A1 Morlando, Maddalena A1 Schiattarella, Antonio A1 Colacurci, Nicola A1 De Franciscis, Pasquale A1 Cataneo, Ilaria A1 Lenzi, Marinella A1 Sandri, Fabrizio A1 Buscemi, Riccardo A1 Gattei, Giorgia A1 Sala, Francesca Della A1 Valori, Eleonora A1 Rovellotti, Maria Cristina A1 Done, Elisa A1 Faron, Gilles A1 Gucciardo, Leonardo A1 Esposito, Valentina A1 Vena, Flaminia A1 Giancotti, Antonella A1 Brunelli, Roberto A1 Muzii, Ludovico A1 Nappi, Luigi A1 Sorrentino, Felice A1 Vasciaveo, Lorenzo A1 Liberati, Marco A1 Buca, Danilo A1 Leombroni, Martina A1 Di Sebastiano, Francesca A1 Di Tizio, Luciano A1 Gazzolo, Diego A1 Franchi, Massimo A1 Ianniciello, Quintino Cesare A1 Garzon, Simone A1 Petriglia, Giuliano A1 Borrello, Leonardo A1 Nieto-Calvache, Albaro Josè A1 Burgos-Luna, Juan Manuel A1 Kadji, Caroline A1 Carlin, Andrew A1 Bevilacqua, Elisa A1 Moucho, Marina A1 Pinto, Pedro Viana A1 Figueiredo, Rita A1 Morales Roselló, José A1 Loscalzo, Gabriela A1 Martinez-Varea, Alicia A1 Diago, Vincente A1 Jimenez Lopez, Jesús S A1 Aykanat, Alicia Yeliz A1 Cosma, Stefano A1 Carosso, Andrea A1 Benedetto, Chiara A1 Bermejo, Amanda A1 May Feuerschuette, Otto Henrique A1 Uyaniklar, Ozlem A1 Ocakouglu, Sakine Rahimli A1 Atak, Zeliha A1 Gündüz, Reyhan A1 Haberal, Esra Tustas A1 Froessler, Bernd A1 Parange, Anupam A1 Palm, Peter A1 Samardjiski, Igor A1 Taccaliti, Chiara A1 Okuyan, Erhan A1 Daskalakis, George A1 Moreira de Sa, Renato Augusto A1 Pittaro, Alejandro A1 Gonzalez-Duran, Maria Luisa A1 Guisan, Ana Concheiro A1 Genç, Şerife Özlem A1 Zlatohlávková, Blanka A1 Piqueras, Anna Luengo A1 Oliva, Dolores Esteban A1 Cil, Aylin Pelin A1 Api, Olus A1 Antsaklis, Panos A1 Ples, Liana A1 Kyvernitakis, Ioannis A1 Maul, Holger A1 Malan, Marcel A1 Lila, Albert A1 Granese, Roberta A1 Ercoli, Alfredo A1 Zoccali, Giuseppe A1 Villasco, Andrea A1 Biglia, Nicoletta A1 Madalina, Ciuhodaru A1 Costa, Elena A1 Daelemans, Caroline A1 Pintiaux, Axelle A1 Cueto, Elisa A1 Hadar, Eran A1 Dollinger, Sarah A1 Brzezinski Sinai, Noa A A1 Huertas, Erasmo A1 Arango, Pedro A1 Sanchez, Amadeo A1 Schvartzman, Javier Alfonso A1 Cojocaru, Liviu A1 Turan, Sifa A1 Turan, Ozhan A1 Di Dedda, Maria Carmela A1 Molpeceres, Rebeca Garrote A1 Zdjelar, Snezana A1 Premru-Srsen, Tanja A1 Cerar, Lilijana Kornhauser A1 Druškovič, Mirjam A1 De Robertis, Valentina A1 Stefanovic, Vedran A1 Nupponen, Irmeli A1 Nelskylä, Kaisa A1 Khodjaeva, Zulfiya A1 Gorina, Ksenia A A1 Sukhikh, Gennady T A1 Maruotti, Giuseppe Maria A1 Visentin, Silvia A1 Cosmi, Erich A1 Ferrari, Jacopo A1 Gatti, Alessandra A1 Luvero, Daniela A1 Angioli, Roberto A1 Puri, Ludovica A1 Palumbo, Marco A1 D'Urso, Giusella A1 Colaleo, Francesco A1 Chiara Rapisarda, Agnese Maria A1 Carbone, Ilma Floriana A1 Mollo, Antonio A1 Nazzaro, Giovanni A1 Locci, Mariavittoria A1 Guida, Maurizio A1 Di Spiezio Sardo, Attilio A1 Panici, Pierluigi Benedetti A1 Berghella, Vincenzo A1 Flacco, Maria Elena A1 Manzoli, Lamberto A1 Bifulco, Giuseppe A1 Scambia, Giovanni A1 Zullo, Fulvio A1 D'Antonio, Francesco K1 Coronavirus K1 perinatal morbidity K1 perinatal mortality AB Objectives To evaluate the strength of association between maternal and pregnancy characteristics and the risk of adverse perinatal outcomes in pregnancies with laboratory confirmed COVID-19. Methods Secondary analysis of a multinational, cohort study on all consecutive pregnant women with laboratory-confirmed COVID-19 from February 1, 2020 to April 30, 2020 from 73 centers from 22 different countries. A confirmed case of COVID-19 was defined as a positive result on real-time reverse-transcriptase-polymerase-chain-reaction (RT-PCR) assay of nasal and pharyngeal swab specimens. The primary outcome was a composite adverse fetal outcome, defined as the presence of either abortion (pregnancy loss before 22 weeks of gestations), stillbirth (intrauterine fetal death after 22 weeks of gestation), neonatal death (death of a live-born infant within the first 28 days of life), and perinatal death (either stillbirth or neonatal death). Logistic regression analysis was performed to evaluate parameters independently associated with the primary outcome. Logistic regression was reported as odds ratio (OR) with 95% confidence interval (CI). Results Mean gestational age at diagnosis was 30.6±9.5 weeks, with 8.0% of women being diagnosed in the first, 22.2% in the second and 69.8% in the third trimester of pregnancy. There were six miscarriage (2.3%), six intrauterine device (IUD) (2.3) and 5 (2.0%) neonatal deaths, with an overall rate of perinatal death of 4.2% (11/265), thus resulting into 17 cases experiencing and 226 not experiencing composite adverse fetal outcome. Neither stillbirths nor neonatal deaths had congenital anomalies found at antenatal or postnatal evaluation. Furthermore, none of the cases experiencing IUD had signs of impending demise at arterial or venous Doppler. Neonatal deaths were all considered as prematurity-related adverse events. Of the 250 live-born neonates, one (0.4%) was found positive at RT-PCR pharyngeal swabs performed after delivery. The mother was tested positive during the third trimester of pregnancy. The newborn was asymptomatic and had negative RT-PCR test after 14 days of life. At logistic regression analysis, gestational age at diagnosis (OR: 0.85, 95% CI 0.8-0.9 per week increase; p YR 2020 FD 2020 LK https://hdl.handle.net/10668/24421 UL https://hdl.handle.net/10668/24421 LA en DS RISalud RD Apr 7, 2025