bleeding

Okay I'm becoming very anxious... I have tested positive twice now that I am pregnant and starting yesterday I began bleeding. I've also had cramping on and off since before I tested. The only person I have told about my pregnancy is my SO with plans to tell our families on Christmas. This is my first pregnancy  so I don't know (besides what I read online) what amount of bleeding and cramping is a normal result of pregnancy and what could be signaling a miscarriage. I want to tell my family so badly but what if I'm setting myself up for heartbreak once I get into my doctor and they inform me it is a miscarriage? I can't get into the doctor until the new year so I feel like I'll be in a state of extreme uncertainty until then. I'm