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Updated: Aug 6, 2026

Guide Wire Assisted Catheterization and Colored Dye Injection for Vascular Mapping of Monochorionic Twin Placentas
Published on: September 5, 2011
Selective delivery in a twin gestation
R P Porreco1, E D Sabin, K D Heyborne
1Columbia Presbyterian/St. Luke's Medical Center, Denver, Colorado 80218, USA.
Abstract:
One or more infants of a multifetal pregnancy occasionally require delivery selectively because of in utero risk of fetal death in circumstances in which the sibling fetus appears well. At 26 weeks 5 days of gestation a small fundally placed twin in a dichorionic gestation had an estimated fetal weight of 650 g with decreased amniotic fluid and ominous Doppler velocity findings in his umbilical artery. A normally grown presenting sibling had reassuring fetal surveillance data. Over a 2-week interval the growth-restricted twin showed no growth, and his status deteriorated. He was selectively delivered by hysterotomy. Selective delivery may offer parents of multifetal gestations an additional option when 1 or more of their fetuses are at high risk for in utero death.
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