A woman trained only as a medical assistant says she gave anesthesia and changed dosages during her years at a Philadelphia abortion clinic.
Latosha Lewis is among the final prosecution witnesses at the five-week murder trial of Dr. Kermit Gosnell.
Gosnell is charged in the 2009 overdose death of a woman patient, and in the deaths of seven babies allegedly born alive.
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Lewis says she sometimes cut the clinic's usual dose of anesthesia and painkillers after seeing patients she feared would not awake from sedation.
She stopped assisting with the abortions by 2008, but still gave out medications as a front-desk clerk.
The 31-year-old Lewis has pleaded guilty to related federal drug charges, and awaits sentencing.
Gosnell's lawyer says there were no live births at the clinic, and argues that the 41-year-old patient died of unforeseen complications.
The Gosnell murder trial is now getting national attention several weeks in to the trial. In an interview with the TODAY Show Wenesday, President Obama said he's "familiar" with the case and talked about abortion access.
NBC10.com has been covering the Gosnell "House of Horrors" trial extensively. We have daily reports from inside the courtroom. Visit our "House of Horrors" section for more.