A nurse is caring for a client with gestational diabetes in active labor at 39 weeks gestation.The client required insulin to control blood glucose levels after hyperglycemia was persistent with diet and exercise changes alone.The client states "I often forgot to check my sugar levels, and I haven't checked them in the last couple days.”. The client had an estimated fetal weight (EFW) ultrasound one week ago with a result of EFW 4195 grams.What labor complication is this client at risk for?