Dr Kara B Markham, MD, Richard W O'Shaughnessy, MD Placental vasa previa Dr Kara B Markham, MD, Richard W O'Shaughnessy, MD The Lancet Volume 377, Issue 9771, (March 2011) DOI: 10.1016/S0140-6736(10)60897-5 Copyright © 2011 Elsevier Ltd Terms and Conditions
Figure Placental vasa previa (A) Doppler ultrasonography showing fetal blood vessels coursing over the internal cervical os; and (B) placenta showing fetal blood vessels within the ammotic membrane, consistent with the diagnosis of a velamentous cord insertion site. The Lancet 2011 377, DOI: (10.1016/S0140-6736(10)60897-5) Copyright © 2011 Elsevier Ltd Terms and Conditions