Pink discharge close to 6 weeks

Suganya

I got a slight spotting around 4 weeks and the doctor said it was probably implantation it's normal and I tested positive multiple times and checked my HCG levels which was great . My blood test is positive too

It's been around 5 and half weeks now and yesterday and today I got a light pink spotting in between. Should I be worried ?

Also I did not have sex recently after finding out I was pregnant