Complications following newborn circumcision are uncommon, appear in one out of every 500 procedures. The American Medical Association quotes a complication rate of 0.2%–0.6%
Apart from the pain and distress, there have been many complications of circumcision reported though rare. Most complications are minor, but some can be more severe, penile amputation and even death have been reported.
Bleeding: is minor in the majority of cases and hemostasis (control of bleeding) can be achieved by pressure application. Rarely it requires stitches to control the bleeding.
Infection: is rare. They present with fever and signs of inflammation.
Inadvertent injury to the head of the penis.
Inadvertent injury to the urethra (is a tube which connects the urinary bladder to the outside of the body) leading to Meatal stenosis (narrowing of the urethral opening).
Too much skin removed.
Not enough skin removed.
Re-growth and scarring of the remnant (unexcised portion) of the foreskin.
In conclusion, newborn circumcisions are medically considered a safe procedure.