Hey girls!

I’m currently 4 weeks, and 5 days pregnant . This is my first pregnancy so I’m a little nervous. The only real symptoms I’ve had was a missed period, cramping, and sore nipples. Well the cramping has calmed down and my nipple soreness has went away. Should I be worried??? Also I took 5 different tests (All positive) and my first OB appointment is February 4th. Why have my symptoms gone away? Is it a sign of miscarriage? No bleeding has taken place by the way.