Hello my baby is 3 months old now. she is not pooping properly. she is pooping 4-5 days . she is on completely breast feed but from last 3 days we have started formula 2 times in a day. some time she is crying like anything . it goes for 1- 2 days . then it stop. wanted to ask you why she is crying like crazy in every 15-20 days for 1-2 days.