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DOI: 10.1007/s40556-022-00342-w
Conjoined Twins: Unicephalus Non-Janiceps Tetrapus Tetrabrachius

Abstract
Conjoined twins are an uncommon type of monoamniotic twins with an incidence of about 1.5 per 100,000 births worldwide. Non-janiceps is the extremely rare sub-type of cephalopagus which is reported as 1 in 58 of all conjoined twins or 1 in 3 million births. We present a G6, P5 31-year-old pregnant who was diagnosed with a unicephalus non-janiceps conjoined twins. Due to its incompatibility with life, the pregnancy was electively terminated. The prognosis of conjoined twins depends on the location and extent of the conjoined area and the accompanying congenital anomalies of the fetuses. Early diagnosis is vital because it can help in assessing the type of conjoined twins and subsequently pre-postnatal decision making. Elective termination of non-janiceps type of conjoined twins which is incompatible with life is a justifiable possibility.
Publication History
Received: 12 May 2022
Accepted: 06 June 2022
Article published online:
04 May 2023
© 2022. Society of Fetal Medicine. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial-License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)
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