Pregnant after blighted ovum

Katrina

4 weeks 1 day pregnant today, strong bfp lines and over the moon! Very worried at same time as had a blighted ovum at 12 weeks in April, awful time which im only just getting over now. I had no idea until I began bleeding at 12 weeks. Has anyone else experienced pregnancy after miscarriage? Going for early scan at 8 weeks..so nervous!