Caput succedaneum is a swelling of the scalp that can occur after vacuum extraction delivery. It is caused by the pressure of the suction cup on the baby’s head and usually resolves within a few days.

Erb’s palsy is a nerve injury that affects the movement of the arm and shoulder. It is more commonly associated with shoulder dystocia or forceps delivery than vacuum extraction.

respiratory distress syndrome is a lung condition that affects premature babies who have not developed enough surfactant to keep their air sacs open. It is not related to vacuum extraction delivery.

hypoglycemia is a low blood sugar level that can affect newborns who are small for gestational age, large for gestational age, or have mothers with diabetes. It is not related to vacuum extraction delivery.