I got that from the TOG article on vasa previa (2008 Vol 4) and the canadian college of O&G guideline on the management of vasa previa (why on earth did I read the canadian guideline is another story !)
Posted by
sonu P.
2nd trimestor migration of placenta previa is a risk factor for vasa previa not the placenta previa itself
Posted by
sonu P.
sorry............third trimestor migration of placenta is risk factor for vasa previa