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A three-dimensional ultrasound image demonstrates that each fetal umbilical cord (arrow) is entangled at 14weeks of gestation.
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Umbilical cord entanglement was observed by using 3D ultrasound (Voluson E8, GE Healthcare, USA) (Fig. 1).
A three-dimensional ultrasound image demonstrates that the normal fetus put his arms around the shoulders of the other fetus with anencephaly and leaned against him at 22 weeks of gestation.
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A fetal ultrasound conducted at 22 weeks did not show any abnormal finding except for one fetal anencephaly (Fig. 2).
The gross findings of entanglement of the cord was very similar to that of umbilical cord entanglement observed through 3D ultrasound at 14 weeks.
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