title: Delayed-Interval Delivery in Dichorionic Twin Pregnancies: A Single-Center Experience.
abstract: BACKGROUND
  Preterm delivery is the most common complication of multiple gestations and is associated with high perinatal mortality. When preterm labor occurs, delivery of the first fetus is inevitable. However, successfully delaying the delivery of the second fetus can be lifesaving.
  
  
  METHODS
  We report 2 cases of delayed-interval delivery of dichorionic diamniotic twin pregnancies admitted to our emergency department at 17+5 and 22+1 weeks of gestation. After abortion of the first fetus, the second twin was left in utero, and uterine contractions ceased. The patients received antibiotics, and tocolytic therapy was administered when needed after 24 weeks. This management prolonged pregnancy for 64 and 16 days, respectively.
  
  
  CONCLUSIONS
  Although no accepted protocol for the treatment of this condition currently exists, an excellent outcome for the second fetus is possible if these pregnancies are managed in a tertiary perinatal center.
authors.affiliation: Department of Biomedical, Experimental, and Clinical Sciences--Division of Obstetrics and Gynecology, University of Florence, Florence, Italy.
authors.forename: Mauro
authors.initials: M
authors.lastname: Cozzolino
authors.affiliation: Department of Biomedical, Experimental, and Clinical Sciences--Division of Obstetrics and Gynecology, University of Florence, Florence, Italy.
authors.forename: Viola
authors.initials: V
authors.lastname: Seravalli
authors.affiliation: Department of Biomedical, Experimental, and Clinical Sciences--Division of Obstetrics and Gynecology, University of Florence, Florence, Italy.
authors.forename: Giulia
authors.initials: G
authors.lastname: Masini
authors.affiliation: Department of Biomedical, Experimental, and Clinical Sciences--Division of Obstetrics and Gynecology, University of Florence, Florence, Italy.
authors.forename: Lucia
authors.initials: L
authors.lastname: Pasquini
authors.affiliation: Department of Biomedical, Experimental, and Clinical Sciences--Division of Obstetrics and Gynecology, University of Florence, Florence, Italy.
authors.forename: Mariarosaria
authors.initials: M
authors.lastname: Di Tommaso
keywords: Cerclage–cervical; delivery–obstetric; pregnancy–twin; tocolysis