my baby is 3 months old, when I used to put her on my shoulder she is difficult to stay for a long time, her head is very stiff to back while she sit upright position, is it normal condition? please help me

A. We need to examine the baby for neurological evaluationAnd And also it is advisable for the to consult your local doctor for appropriate advice in this regard if there is need for some investigations also depending on the need o k