#askexpert hi doctor my baby boy is 5 months 3 days old,he was FM baby. his weight is 3.1 in birth time,now his weight is nearly 7. he was very normal and active baby, he was lifting his head without any support,he was interested in things ,but he was not interested in roll over hl,he didn't even try it,i gave him tummy tume only 2 or 3 times only in that time also he was lifting his head properly,but he is not trying roll over when i try to put him a side he was crying because he didn't like it I'm very much worried plz tell me is this a problem