Scared I'm having a miscarriage

I found out a week ago I'm 5 weeks 3 days .. Iv had a miscarriage 10 years ago but have had 3 baby's since ... Lately Iv been under a lot of stress with my partner and family issues Iv been having cramps on and off  in my lower stomach back and hips .but not bleeding .. I'm so scared I'm loosing my baby and I can't say anything to anyone as my family don't know as This will be baby 5 and everyone keeps telling me I won't be able to handle 5 kids I am so scared and almost in tears I can't talk to family so just need to get it out .. I have an appointment tomorrow with the doctor :(