Factual errors

The first time Mother calls 911 and hangs up after it was answered, the 911 dispatcher doesn't attempt to call back. In reality, 911 would immediately call back on a hang up call.

Continuity

The scene during Jennifer Lawrence 's character breastfeeding her baby, during one shot, she has a scar on her forehead. During the next shot, there is not a blemish on her face.