In need of some encouragement...

I will be 6 weeks tomorrow and I have had a miscarriage before. My first Dr's appt is next week but I just can't help but worry that something has/will go wrong. My husband and I really want this baby and although deep down I feeln like everything will be ok.... I am scared! I have had some breast tenderness and the have definitely gotten bigger and if you ask my husbad I have been moody! And I have also been very bloated! I guess I just sometimes worry it is in my head! This next week is gonna be the longest week ever! Any suggestions to put my mind at rest? Thanks!