OBJECTIVE:

Report, compare and analyze the postnatal status of patients with monochorionic twin pregnancy and determine the incidence of TRAP sequence.

MATERIALS AND METHODS:

A descriptive, retrospective, case series study of patients diagnosed with monochorionic multiple pregnancy attended at the High Specialty Regional Women’s Hospital of Tabasco between 2014 and 2018 was carried out. The study included all patients with the diagnosis of TRAP sequence, reported postnatal outcomes and the incidence was determined. Patients with incomplete records and unfinished pregnancies were excluded.

RESULTS:

Six cases of twin reversed arterial perfusion were diagnosed, five of which were twin pregnancies and one was a higher order multiple pregnancy. Only one of the patients received intra-uterine treatment. The pump twin survived without complications in four of the six cases.

CONCLUSION:

Six treated cases were exposed in different ways and with better results with the conservative behavior because in the 4 cases that did not receive treatment, the twin pump did not suffer cardiac decompensation and survived, unlike the only case with intra-uterine treatment in which there were complications that led to termination of pregnancy in the second trimester.

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