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Related Concept Videos

Fetal Circulation01:14

Fetal Circulation

Fetal circulation is a unique system that facilitates the exchange of gases, nutrients, and waste products between the developing fetus and the mother. This intricate process takes place through a special organ called the placenta.
Two umbilical arteries transport blood from the fetus to the placenta. At the placenta, the blood absorbs oxygen and nutrients while simultaneously eliminating waste products. This oxygen-enriched and nutrient-rich blood then returns to the fetus through one...

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Related Experiment Video

Updated: May 11, 2026

Guide Wire Assisted Catheterization and Colored Dye Injection for Vascular Mapping of Monochorionic Twin Placentas
09:04

Guide Wire Assisted Catheterization and Colored Dye Injection for Vascular Mapping of Monochorionic Twin Placentas

Published on: September 5, 2011

[TAPS sequence--unknown and underestimated problem of monochorionic pregnancies].

Agnieszka Kaluba-Skotarczak1, Mariola Ropacka-Lesiak, Krzysztof Drews

  • 1Klinika Perinatologii i Chorób Kobiecych, Uniwersytet Medyczny im. K. Marcinkowskiego, Poznań, Polska. pa2skot@poczta.onet.pl

Ginekologia Polska
|May 25, 2013
PubMed
Summary

Twin anemia-polycythemia sequence (TAPS) is a rare complication of monochorionic twin pregnancy. This case highlights TAPS

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Accurate and Simple Evaluation of Vascular Anastomoses in Monochorionic Placenta using Colored Dye
09:52

Accurate and Simple Evaluation of Vascular Anastomoses in Monochorionic Placenta using Colored Dye

Published on: September 5, 2011

Related Experiment Videos

Last Updated: May 11, 2026

Guide Wire Assisted Catheterization and Colored Dye Injection for Vascular Mapping of Monochorionic Twin Placentas
09:04

Guide Wire Assisted Catheterization and Colored Dye Injection for Vascular Mapping of Monochorionic Twin Placentas

Published on: September 5, 2011

Accurate and Simple Evaluation of Vascular Anastomoses in Monochorionic Placenta using Colored Dye
09:52

Accurate and Simple Evaluation of Vascular Anastomoses in Monochorionic Placenta using Colored Dye

Published on: September 5, 2011

Area of Science:

  • Perinatology
  • Maternal-Fetal Medicine
  • Neonatology

Background:

  • Monochorionic twin pregnancies have higher risks of perinatal complications.
  • Placental anastomoses can lead to severe conditions like twin-twin transfusion syndrome (TTTS) and twin anemia-polycythemia sequence (TAPS).
  • TAPS is a chronic feto-fetal transfusion characterized by inter-twin hemoglobin difference without amniotic fluid discordance.

Observation:

  • A case of TAPS at 20 weeks gestation in a monochorionic, diamniotic pregnancy is presented.
  • TAPS resulted in intrauterine fetal demise of one twin.
  • Expectant management was considered, with delivery via cesarean section at 35 weeks due to CTG decelerations.

Findings:

  • The paper details diagnostic criteria, classification, management, and outcomes of TAPS.
  • It differentiates TAPS from TTTS, emphasizing their distinct feto-fetal transfusion mechanisms.
  • TAPS can be asymptomatic, leading to neonates with significant hemoglobin differences or intrauterine fetal demise.

Implications:

  • TAPS is a rare, heterogeneous condition with variable outcomes.
  • Early detection and management are crucial to improve perinatal outcomes.
  • Understanding the differences between TAPS and TTTS is vital for appropriate clinical care.