A 28 year old pregnant lady presents with severe lower abdominal pain with excessive per vaginal bleeding at 34 weeks gestation. What should be the initial investigation of choice?

The key is B. US abdomen. [Likely case of abruption placenta (as excessive bleeding probably

revealed type) for which initial investigation of choice is US abdomen. Other features that will favour

abruptio is hard uterus and evidence of fetal distress. It will be difficult to feel the fetal parts].