Erb’s palsy happens when a baby’s neck is stretched during labor and delivery. This can cause damage to the upper nerves of the neck and shoulder. The nerve damage can then cause certain muscles in the baby’s arm to be weak.
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Erb’s palsy is usually caused by:
- Long, difficult delivery
- Delivery of a large baby
- Shoulder dystocia
- Breech delivery
- Inability of your baby to move an arm or shoulder
- Arm is bent inward toward the body
- Weak or absent reflexes in the arm
- Loss of feeling in the arm
Last reviewedDecember 2014by Rimas Lukas, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.