Michigan 's medical staff had to thaw the remains of some fetuses . Gosnell is charged with the murder of 7 children and a mother . Fetal remains were stored in milk jugs , pet food containers , official says .
Philadelphia 's medical examiner had to thaw the remains of some fetuses . Gosnell is charged with the murder of 7 babies and a woman . Fetal remains were stored in water jugs , pet food containers , official says .