Placental angioarchitecture in monochorionic twin pregnancies: relationship to fetal growth, fetofetal transfusion syndrome, and pregnancy outcome

Article Abstract:

Some types of anastomosis in the placenta may protect a healthy twin fetus from the adverse effects of its non-viable twin. Anastomosis is an abnormal communication between blood vessels that normally are not connected. It can occur in twin pregnancies and cause one twin to grow at the expense of the other.

Health aspects, Abnormalities, Anastomosis, Surgical anastomosis

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Ex vivo delineation of placental angioarchitecture with the microbubble contrast agent Levovist

Article Abstract:

The contrast agent Levovist appears to be a safe agent for visualizing the placenta. Contrast agents are chemicals that enhance diagnostic images taken by CT and MRI scanners. Levovist produces microbubbles, which should not harm the fetus.

Evaluation, Contrast media, Contrast media (Chemicals)

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Antenatal factors at diagnosis that predict outcome in twin-twin transfusion syndrome

Article Abstract:

Three factors predict a poor prognosis for fetal twins affected by twin-twin transfusion syndrome: absent or reversed end-diastolic flow in the donor umbilical artery, abnormal pulsatility of the venous system in the recipient, and absence of an arterioarterial anastomosis. Twin-twin transfusion syndrome occurs when one twin grows at the expense of the other.

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