The hallmark sign of placenta previa is painless, bright red vaginal bleeding during the second half of pregnancy. The bleeding can range from light spotting to a heavy flow. It may stop on its own but almost always recurs days or weeks later. Some women also experience uterine contractions along with the bleeding.
A standard medical presentation should follow a logical flow from anatomy to function to pathology. placenta ppt
While the exact cause is unknown, certain factors increase the likelihood of developing placenta previa: The hallmark sign of placenta previa is painless,