Pregnancy tests over the period of 4days

Samantha
With my miscarriage last month, 1 only had the digital, and a faint line at Dr then it was gone. Now I've been getting all these positives over the last 4 days. My mom says the lines not dark enough? Should I worry ? They are in order from Thursday night- Monday morning and the symptoms are only getting much stronger. Between the sickness and the breast tenderness. Praying this baby sticks