yesterday my baby turn into 3 month and from the last night she crying alot and she used to suck my finger and during sucking she get calm and sleepy and when i am trying to breastfeed her she is sucking very often,, earlier she was feeding very well... my husband said that if she is getting relief from finger i must try to feed from bottle nd she is taking bottle but only doing sucking not intaking the milk.....what to do she is crying alot and after sucking finger she get calm..is any teething issue or something else...plz help me