Pregnant after chemical !

Wondering if anyone’s had a successful pregnant after there chemical miscarriage? I got pregnant in oct & unfortunately we got our positive and told EVERYone & then I started bleeding 3 days later! :( now I’m pregnant again, my period is actually due tomorrow, but I got my very clear and positive test 7 days before my period was due! I’m super scared that the same thing might happen :( I’m 4w3d right now & my

first dr appt isn’t until Jan 9th. Hoping to hear some success stories to lighten the mood a bit.