BIRTH INJURY Medical Malpractice Lawsuit: Excessive Traction Results in Permanent Brachial Plexus Injury. The mother had all of her pre-natal appointments with the Defendant doctor. Her prenatal care was complicated by obesity and excessive weight gain. At the time the mother went into labor she was 39 4/78 weeks’ gestation and had gained 81 pounds during the pregnancy. The only estimated fetal weight before delivery was performed by ultrasound at 26 weeks with an EFW of 3700 grams. On admission the baby had an estimated fetal weight of 3800. The