My baby is 5 weeks old and breastfed. Until last week he was having 10-12 liquid poos a day. They were a bit smelly and very liquid, so much that I was a bit worried he had a stomach bug. Then suddenly he stop pooing and now it has been a week with no poos at all. I have tried massaging his belly and moving his legs but no result. He does not seem in discomfort and he is not passing much air either. Health visitor says not to worry until day 10 but I am a bit concerned. Is it normal?