The seven women and five men on the jury told court officers they were "drained," The Philadelphia Inquirer reported. Deliberations on the complex case began April 30.
Gosnell is charged with the first-degree murder of four newborn babies allegedly killed after bungled late-term abortions and the third-degree murder of a woman who allegedly died from an overdose of painkiller. But Common Pleas Judge Jeffrey Minehart also advised the jurors Thursday that they must reach separate verdicts on each of 227 counts of performing abortions after the legal limit in Pennsylvania of 24 weeks.
Eileen O'Neill, a former employee, is charged with working at Gosnell's clinic after letting her medical license lapse.
Anti-abortion activists protested outside the courthouse during the lunch break. The demonstration was the first since mid-March, the Inquirer said.