{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,8]],"date-time":"2026-05-08T22:10:35Z","timestamp":1778278235587,"version":"3.51.4"},"reference-count":35,"publisher":"Walter de Gruyter GmbH","issue":"4","license":[{"start":{"date-parts":[[2026,1,28]],"date-time":"2026-01-28T00:00:00Z","timestamp":1769558400000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,5,26]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec id=\"j_jpm-2025-0575_abs_001\">\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>To describe the risk of early and late fetal loss of a cohort of monochorionic monoamniotic (MCMA) twin pregnancies; secondary objectives are to describe perinatal outcomes of these pregnancies and to identify which obstetric variables mostly influence the incidence of neonatal adverse outcome.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"j_jpm-2025-0575_abs_002\">\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Retrospective cohort study including MCMA twin pregnancies followed up at the Twin Pregnancy Care Unit of Sant\u2019Anna Hospital in Turin (Italy) between 2005 and 2024. Chorionicity and amnionicity were diagnosed in the first trimester.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"j_jpm-2025-0575_abs_003\">\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>A total number of 53 MCMA twin pregnancies have been included in the study, of which 42 progressed beyond 24\u00a0weeks of gestation. The rate of fetal loss before 24\u00a0weeks of GA was 19.8\u202f%, after 24\u00a0weeks this rate lowered to 3.6\u202f%; the incidence of overall intrauterine losses was 23.6\u202f%; 80.5\u202f% of liveborn twins were female. Around one fourth of the newborn babies had an adverse outcome, the likelihood of which was significantly influenced by gestational age at birth, birthweight and presence of malformations. The incidence of congenital malformations in our sample was 13.4\u202f%.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"j_jpm-2025-0575_abs_004\">\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Most fetal losses occur before 24\u00a0weeks of gestation and the rate of fetal demise after this cutoff is quite low. It could be worth to postpone elective delivery to 34\u00a0weeks of gestational age or beyond, in order to reduce perinatal complications associated to premature\u00a0birth.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1515\/jpm-2025-0575","type":"journal-article","created":{"date-parts":[[2026,1,27]],"date-time":"2026-01-27T18:56:27Z","timestamp":1769540187000},"page":"687-693","source":"Crossref","is-referenced-by-count":0,"title":["Perinatal outcomes of monochorionic monoamniotic twin pregnancies"],"prefix":"10.1515","volume":"54","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1540-4927","authenticated-orcid":false,"given":"Sofia","family":"Roero","sequence":"first","affiliation":[{"name":"9314 Gynaecology and Obstetrics 2U, Sant\u2019Anna Hospital, Azienda Ospedaliero Universitaria Citt\u00e0 della Salute e della Scienza di Torino, University of Turin , Turin , Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Silvana","family":"Arduino","sequence":"additional","affiliation":[{"name":"9314 Gynaecology and Obstetrics 2U, Sant\u2019Anna Hospital, Azienda Ospedaliero Universitaria Citt\u00e0 della Salute e della Scienza di Torino, University of Turin , Turin , Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Agata","family":"Ingala","sequence":"additional","affiliation":[{"name":"9314 Gynaecology and Obstetrics 2U, Sant\u2019Anna Hospital, Azienda Ospedaliero Universitaria Citt\u00e0 della Salute e della Scienza di Torino, University of Turin , Turin , Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chiara","family":"Peila","sequence":"additional","affiliation":[{"name":"Department of Public Health and Pediatrics , A.O.U. Citt\u00e0 della Salute e della Scienza , University of Turin , Turin , Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Carlotta","family":"Bossotti","sequence":"additional","affiliation":[{"name":"9314 Gynaecology and Obstetrics 2U, Sant\u2019Anna Hospital, Azienda Ospedaliero Universitaria Citt\u00e0 della Salute e della Scienza di Torino, University of Turin , Turin , Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Isabella","family":"Ferrando","sequence":"additional","affiliation":[{"name":"9314 Gynaecology and Obstetrics 2U, Sant\u2019Anna Hospital, Azienda Ospedaliero Universitaria Citt\u00e0 della Salute e della Scienza di Torino, University of Turin , Turin , Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Miriam","family":"Folino Gallo","sequence":"additional","affiliation":[{"name":"9314 Gynaecology and Obstetrics 2U, Sant\u2019Anna Hospital, Azienda Ospedaliero Universitaria Citt\u00e0 della Salute e della Scienza di Torino, University of Turin , Turin , Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maria Francesca","family":"Greco","sequence":"additional","affiliation":[{"name":"9314 Gynaecology and Obstetrics 2U, Sant\u2019Anna Hospital, Azienda Ospedaliero Universitaria Citt\u00e0 della Salute e della Scienza di Torino, University of Turin , Turin , Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alessandra","family":"Aiello","sequence":"additional","affiliation":[{"name":"9314 Gynaecology and Obstetrics 2U, Sant\u2019Anna Hospital, Azienda Ospedaliero Universitaria Citt\u00e0 della Salute e della Scienza di Torino, University of Turin , Turin , Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alessandra","family":"Coscia","sequence":"additional","affiliation":[{"name":"Department of Public Health and Pediatrics , A.O.U. 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