Twin anemia-polycythemia sequence

Twin anemia-polycythemia sequence
Other namesTAPS
Photo of twins with twin anemia-polycythemia sequence color difference
SpecialtyObstetrics

Twin anemia-polycythemia sequence (TAPS) is a chronic type of unbalanced fetal transfusion in monochorionic twins that results in polycythemia in the TAPS recipient and anemia in the TAPS donor due to tiny placental anastomoses.[1] Post-laser TAPS and spontaneous TAPS are the two forms of TAPS. Unlike twin-to-twin transfusion syndrome, which arises when twin oligohydramnios polyhydramnios sequence (TOPS) is present, TAPS develops in its absence.[2]

  1. ^ Cite error: The named reference Two Monochorionic Twin Pairs was invoked but never defined (see the help page).
  2. ^ Tollenaar, L. S. A.; Lopriore, Enrico (2021). "Twin Anemia Polycythemia Sequence". Twin and Higher-order Pregnancies. Cham: Springer International Publishing. pp. 247–262. doi:10.1007/978-3-030-47652-6_16. ISBN 978-3-030-47651-9. S2CID 244850658.
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