ugh I hate worrying. what if I go in 2 weeks and find out my baby hasn't grown or something. I'll be…

ugh I hate worrying. what if I go in 2 weeks and find out my baby hasn't grown or something. I'll be 13 weeks tomorrow .. I'm just so scared for some reason. maybe because I've been cramping bad ? but without any blood or spotting. I have two sons but I'm just a worry wart in general. anyone experience these type of feelings in the beginning of the 2nd trimester ?!