Dating 2 weeks behind

Tasha

Hi guys,

My periods are every 28 days and very regular, my LMP suggests I am 7 weeks today and I have my first USS tomorrow.

Has anybody had similar and ended up being 2 weeks behind on dates?

I have had 3 previous miscarriages and always been 2 weeks behind on dates (going in at 8 weeks and being 6 week) then not progressing past 6-7 weeks.

Any experiences would be ace to hear.