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Updated: Jan 6, 2026
09:04
Guide Wire Assisted Catheterization and Colored Dye Injection for Vascular Mapping of Monochorionic Twin Placentas
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Complications in monochorionic twin pregnancies
1Department of Obstetrics and Gynecology, Medical University Graz, Graz, Austria.
Journal of Perinatal Medicine
|October 12, 2025
Summary
Monochorionic twin pregnancies have high complication rates, including twin-to-twin transfusion syndrome and selective fetal growth restriction. Early detection and management are crucial for improving outcomes in these high-risk pregnancies.
Area of Science:
- Perinatology
- Maternal-Fetal Medicine
- Twin Gestation Research
Background:
- Monochorionic placentas are common in identical twins, presenting unique risks.
- Inter-fetal vascular anastomoses can lead to severe twin pregnancy complications.
Purpose of the Study:
- To review prenatal detection and management strategies for monochorionic twin pregnancy complications.
- To highlight risks associated with monochorionic twins, including TTTS, TAPS, TRAP, IUFD, and sFGR.
Main Methods:
- This is a narrative review.
- Literature search on prenatal diagnosis and management of monochorionic twin complications.
Main Results:
- Monochorionic twins face significant risks: TTTS (10%), TAPS (5%), TRAP (2.5%), IUFD (2%), and sFGR (15%).
- Complications increase the risk of mortality, brain abnormalities, and neurodevelopmental disorders.
Conclusions:
- Prenatal detection and timely management are vital for improving outcomes in complicated monochorionic twin pregnancies.
- Understanding these specific risks is essential for specialized obstetric care.
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