Some advice 6 weeks tomorrow

Hi, according to my app i am roughly 6 weeks tomorrow. This is our rainbow baby as only misscarried in January at 10 wk 5 days. I am so worried and scared there’s so many emotions going through my body about the fear of losing this baby and I don’t feel pregnant AT ALL no sore boobs no morning sickness I’m tired but I’m pretty much always tired very tired person so I can’t work out if it’s a symptom or just normal. They aren’t scanning me till 7 weeks and I just don’t know how to get through a week feeling like this because I know it isn’t good for me. I don’t really know what I’m asking just any advice or anyone going through same thing just need some comfort I feel like I just don’t believe it’s true but I’ve done 3 clear blue tests all very clear positives