Gosnell was also convicted in the death of patient Karnamaya Mongar, who was given a fatal overdose of painkillers.

NPR: Wife: I'm Sorry For Trusting Pa. Abortion Doctor

During that probe, detectives were told that the 41-year-old woman, Karnamaya Mongar, had died during an abortion procedure in 2009.

WSJ: Philadelphia Abortion Doctor Gosnell Convicted of Murder

Defence lawyers have also argued that Dr Gosnell should not be held accountable for Mrs Mongar's death in 2009, saying there were unforeseen complications.

BBC: Philadelphia abortion doctor tried on 'baby murder' case