Complex sentence: According to Jessen, when her biological mother was 17 years old she underwent a saline abortion at the 30th week (7½ months) of pregnancy, but the abortion failed and she was born alive, with cerebral palsy caused by the abortion procedure.
Split into simpler sentences: According to Jessen, when her biological mother was 17 years old she underwent a saline abortion, at the 30th week (7½ months) of pregnancy. The abortion failed and Jessen was born alive, but with cerebral palsy caused by the abortion procedure.