A sudden pause in contractions takes place after rupture, along with an abnormal fetal heart rate (usually bradycardia ), severe abdominal pain, vaginal bleeding, and hemodynamic
[amboss.com]
Placenta praevia – typically causes a painless vaginal bleeding.
[teachmeobgyn.com]
Abdominal pain, vaginal bleeding, and vomiting are classic findings.[7]. Bleeding Vaginal bleeding is a classic finding of UR.[7].
[explainmedicine.com]