#asktheexperts My baby is 50 days old . At times i have noticed her having lower jaw trembling.My first observation was it only happens when she is about to cry or crying. Then i noticed that she is having the same 3/4 times a day other than crying. Is it alarming or i should be concerned abt. background: her growth is normal now(smile, weight gain and backward movement is there. She have a diagnosis of chd