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Case 77 - A 25-Year-Old at 18 Weeks’ Gestation Presents with a Monochorionic/Diamniotic Twin Pregnancy

from Section 8 - Fetal Complications

Published online by Cambridge University Press:  08 April 2025

By
Shari M. Lawson
Edited by
Peter F. Schnatz ,
D. Yvette LaCoursiere ,
Christopher M. Morosky ,
Jonathan Schaffir ,
Vanessa Torbenson  and
David Chelmow
Peter F. Schnatz
Affiliation:
The Reading Hospital, Pennsylvania
D. Yvette LaCoursiere
Affiliation:
University of California, San Diego
Christopher M. Morosky
Affiliation:
University of Connecticut School of Medicine
Jonathan Schaffir
Affiliation:
The Ohio State University College of Medicine
Vanessa Torbenson
Affiliation:
Mayo Clinic Alix School of Medicine
David Chelmow
Affiliation:
Virginia Commonwealth School of Medicine
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Summary

Monochorionic-diamniotic twin pregnancies carry unique risks. It is important to determine chorionicity of twin pregnancies early in the first trimester and to monitor for adverse outcomes including congenital anomalies, twin–twin transfusion syndrome, twin anemia polycythemia sequence, and selective fetal growth restriction.

Keywords

twin pregnancymonochorionic twinstwin–twin transfusion syndromefetoscopylaser photocoagulation
Type
Chapter
Information
Pregnancy Complications
A Case-Based Approach
 , pp. 238 - 241
Publisher: Cambridge University Press
Print publication year: 2025

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References

Bamberg, C, Hecher, K. Twin-to-Twin Transfusion Syndrome: Controversies in the Diagnosis and Management. Best Pract Res Clin Obstet Gynaecol. 2022;84:143–154.CrossRefGoogle ScholarPubMed
Miller, JL. Twin to Twin Transfusion Syndrome. Transl Pediatr. 2021;10(5):1518–1529.CrossRefGoogle ScholarPubMed
Quintero, RA, Morales, WJ, Allen, MH, et al. Staging of Twin-Twin Transfusion Syndrome. J Perinatol. 1999;19(8 Pt. 1):550–555.CrossRefGoogle ScholarPubMed
Greenberg, G, Bardin, R, Danieli-Gruber, S, et al. Pregnancy Outcome following Fetal Reduction from Dichorionic Twins to Singleton Gestation. BMC Pregnancy Childbirth. 2020;20(1):389.Google ScholarPubMed
Rahimi-Sharbaf, F, Ghaemi, M, Nassr, AA, et al. Radiofrequency Ablation for Selective Fetal Reduction in Complicated Monochorionic Twins; Comparing the Outcomes According to the Indications. BMC Pregnancy Childbirth. 2021;21:189.Google ScholarPubMed
American College of Obstetricians and Gynecologists’ Committee on Obstetric Practice; Society for Maternal-Fetal Medicine. Medically Indicated Late-Preterm and Early-Term Deliveries: ACOG Committee Opinion, Number 831. Obstet Gynecol. 2021;138(1):e35–e39.Google Scholar

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