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This review is followed by summaries of recent twin research and reports concerning twins in a triplet pregnancy, double embryo transfer; a twin study of health anxiety, and delayed delivery of the second twin. Twin events reported in the media include a pair of digital marketing twins, a speech by a bereaved twin at the March for Our Lives in Washington, D.C., twins who exchanged places, and a same-team reunion of twin football players.<\/jats:p>","DOI":"10.1017\/thg.2018.38","type":"journal-article","created":{"date-parts":[[2018,7,20]],"date-time":"2018-07-20T10:50:24Z","timestamp":1532083824000},"page":"325-329","source":"Crossref","is-referenced-by-count":0,"title":["Human Dizygotic Twinning: Evolutionary-Based Explanations\/Twin Research Reviews: Conjoined Twins in a Triplet Pregnancy; Double Embryo Transfer; Health Anxiety; Delayed Delivery of the Second Twin\/In the Media: Digital Marketing Twins; Bereaved Twin at March for Our Lives; Exchange of Places; Football Players Reunite as Patriots"],"prefix":"10.1017","volume":"21","author":[{"given":"Nancy L.","family":"Segal","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"56","published-online":{"date-parts":[[2018,7,20]]},"reference":[{"key":"S1832427418000385_ref012","doi-asserted-by":"publisher","DOI":"10.1093\/humrep\/den305"},{"key":"S1832427418000385_ref020","unstructured":"Tennessee Titans. 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