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VOLUME 14 , ISSUE 1 ( January-March, 2021 ) > List of Articles


Twin Anemia-polycythemia Sequence

Nivetha Gunasekar

Citation Information : Gunasekar N. Twin Anemia-polycythemia Sequence. 2021; 14 (1):21-22.

DOI: 10.5005/jp-journals-10084-12162

License: CC BY-NC 4.0

Published Online: 01-03-2021

Copyright Statement:  Copyright © 2021; The Author(s).


Twin anemia-polycythemia sequence (TAPS) is characterized by a massive difference in red blood cells between two monochorionic (MC) embryos despite indication of a syndrome of twin oligo–polyhydramnios.1 A nulliparous woman has an MC twin diamniotic switched for premature labor.2

  1. Tollenaar LSA, Lopriore E, Middeldorp JM, Haak MC, Klumper FJ, Oepkes D, et al. Improved prediction of twin anemia–polycythemia sequence by delta middle cerebral artery peak systolic velocity: new antenatal classification system. Ultrasound Obstet Gynecol 2019;53(6):788–793. DOI: 10.1002/uog.20096.
  2. https://fetalmedicine.org/education/fetal-abnormalities/multiple-pregnancies/mc-twins-death-of-one-fetus.
  3. Twin Anemia Polycythemia Sequence (TAPS) | Pavilion for Women. https://women.texaschildrens.org/program/texas-childrens-fetal-center/conditions-we-treat/twin-anemia-polycythemia-sequence-taps.
  4. Slaghekke F, van den Wijngaard JPHM, Akkermans J, van Gemert MJC, Middeldorp JM, Klumper FJ, et al. Intrauterine transfusion combined with partial exchange transfusion for twin anemia polycythemia sequence: modeling a novel technique. Placenta 2015;36(5):599–602. DOI: 10.1016/j.placenta.2015.01.194.
  5. Nicholas LD, Fischbein RL, Bhamidipalli SS. Twin anemia-polycythemia sequence and routine monitoring practices amongst maternal-fetal medicine specialists in the United States: an initial investigation. J Perinat Med 2019;47(4):388–392. DOI: 10.1515/jpm-2018-0240.
  6. Sananès N, Veujoz M, Severac F, Barthoulot M, Meyer N, Weingertner AS, et al. Evaluation of the utility of in utero treatment of twin anemia-polycythemia sequence. Fetal Diagn Ther 2015;38(3):170–178. DOI: 10.1159/000380822, www.karger.com.
  7. Gucciardo L, Lewi L, Vaast P, Debska M, De Catte L, Van Mieghem T, et al. Twin anemia polycythemia sequence from a prenatal perspective. Prenat Diagn 2010;30(5):438–442. DOI: 10.1002/pd.2491.
  8. Tollenaar LSA, Slaghekke F, van Klink JMM, Groene SG, Middeldorp JM, Haak MC, et al. Twin-twin transfusion syndrome with anemia-polycythemia: prevalence, characteristics, and outcome. J Clin Med 2019;8(8). DOI: 10.3390/jcm8081129.
  9. Fratelli N, Prefumo F, Zambolo C, Zanardini C, Fichera A, Frusca T. Conservative management in a case of iatrogenic twin anemia-polycythemia sequence. Ultrasound Obstet Gynecol 2012;39(5):597–598. DOI: 10.1002/uog.10135.
  10. https://www.hopkinsmedicine.org/health/conditions-and-diseases/twin-anemia-polycythemia-sequence-taps.
  11. Slaghekke F, Zhao DP, Middeldorp JM, Klumper FJ, Haak MC, Oepkes D, et al. Antenatal management of twin-twin transfusion syndrome and twin anemia-polycythemia sequence. Expert Rev Hematol 2016;9(8):815–820. DOI: 10.1080/17474086.2016.1200968.
  12. Slaghekke F, Pasman S, Veujoz M, Middeldorp JM, Lewi L, Devlieger R, et al. Middle cerebral artery peak systolic velocity to predict fetal hemoglobin levels in twin anemia-polycythemia sequence. Ultrasound Obstet Gynecol 2015;46(4):432–436. DOI: 10.1002/uog.14925.
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