I had a miscarriage on the 9th December 2020. Thought I was 7 weeks but doctor's said there was nothing there and the pregnancy didn't develop properly. Took a test about a week later, it was negative and also had a scan and was told there's no more signs of a pregnancy left. Have been trying to conceive again, it's been about 5 weeks after my miscarriage and I did a pregnancy test and it was positive, very strong line. Could I actually be pregnant or is most likely a false positive?