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Updated: Jun 2, 2026

Guide Wire Assisted Catheterization and Colored Dye Injection for Vascular Mapping of Monochorionic Twin Placentas
Published on: September 5, 2011
First-trimester diagnosis of conjoined twins aided by spatiotemporal image correlation
Suraj Kumar Varma1, Karen Waalwyk, Samuel Menahem
1Monash Cardiovascular Research Centre and Department of Medicine (MMC), Monash University and MonashHeart, Monash Medical Centre Clayton, 246 Clayton Road, Clayton, Victoria 3168, Australia. surajkvarma@gmail.com
Abstract:
A case of conjoined twins after frozen embryo transfer at early blastocyst stage is described. The diagnosis was made early at 7 weeks by vaginal sonography and later confirmed by spatiotemporal image correlation with power Doppler. The value of spatiotemporal image correlation with Doppler in facilitating an early diagnosis of conjoined twinning is discussed.
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