My 7 week baby use to brestfeed for 10-15 min...; but fron few dayz he is feedibg for just 5 min..; sometimes 3 min. He does toilet more than 6 times (as per need). He needs feeding more frequent now ( every hour, or half even)...; should i need to see doctor.; Coz i am worried if he is getting enough. He give cues as if he is always hungry. Is it just a phase or some problem..; please help.