Noted the concern if it's fine till wdays prior n now just not stools passed means routinely sucking milk, no abdomen distention? Pain n cry mostly due to dryness n less peristaltic activity, no fever it's may be normal as it's just Q I'm answering....
Next Steps
u have milk by adding cow ghee of 10ml Almond oil (Hamdard/Patanjali) for 5days, u can have Tanbul by adding gulkand, ajwain Haripatti.
Health Tips
apply coconut/almond oil on his naval area 2-3times a day.
if it's not added value with in 7-12 hrs choose to consult his paediatric dr or Ayurvedic dr.