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Exceptionally Rare Identical Triplets Born in Trelew on Christmas Day

The high-risk monocorial triamniotic case prompted a coordinated, high-complexity response at Hospital María Humphreys.

Overview

  • Provincial officials report the mother and three premature newborns are stable and remain in the hospital’s Neonatology service for continuous monitoring and nutritional recovery.
  • The babies were delivered on December 25 at 8:49 (1,460 g), 9:50 (1,760 g) and 9:52 (1,690 g) at Hospital María Humphreys in Trelew.
  • Authorities describe the pregnancy as monocorial triamniotic, meaning genetically identical triplets sharing one placenta with separate amniotic sacs, and report it as occurring roughly once in 100 million births.
  • Health leaders highlight meticulous planning and protocol-driven teamwork by obstetrics, neonatology and nursing staff at the newly inaugurated facility.
  • It is the second documented case of identical triplets in Chubut, following a 2019 Comodoro Rivadavia birth, with additional Argentine precedents reported in 2020 and 2025.