Babies generally make some sound during defecation and urination. Crying is abnormal. You need to consult ASAP

It's normal

As long as your baby is active, accepting feed well and passing urine and stool normally,No need to worry. Baby dislikes the pressure before passing stool and urine. They will be comfortable after passing stool and urine. But if there’s fever , redness around private parts , increased frequency of passing urine, do visit your doctor

Dear parents,     All babies cry before passing urine and stool are normal.