My elder baby hitted my 3week old babys head by mobile phone. At that time baby cried and I fed her. Now she is alright but there is a small bump on the back of head. when I touch it she feels no pain. does it worrying?

A. In this here it is very difficult to comment properly until a proper examination or assessment is done to find out thhxxe exact cause so it is advisable to consult your doctor so that he could examine and evaluate properly and will guide you accordingly for this .