Why can't I get past five weeks

Jessica

Short form of story

Three kids young

Tubes tied 13/yrs

Met man fell in love

Tubes u tied

Pregnant 4 months later

Lost baby on 4th of July

Major pain for a month

Dr figures left over tissue in tube

Remove tube and ovary because second baby was in ovary and kept growing which in turn made me bleed internally for a month

Next yr got pregnant

Lost it 5weeks later

Lost one at five weeks in Oct

Got pregnant beginning of Dec no issues, no spotting, everything is fine u til tonight

Out of nowhere I have a light pink when I wipe.

My first ultrasound is tomorrow afternoon but I feel like it's starting again!!!

Why cant I get past five weeks???