Hi ladies

I really need some reassuring and advice please 😩 so today I went for my 6week scan but i only measured at 5 weeks so was very early to see anything . Now I had a miscarriage in July and got pregnant straight away after and felt like ovulation happened later than usual on the 18th or 19 of July. The doc said everything looks good and we're it should be but I'm so scared ! I feel all the symptoms of pregnancy really strong . Just wondering if anyone eles had trouble with there dates right after conceiving after mc ?