Last year I had a late MMC, I had identical twins at 16 weeks. From measurements the consultant felt they had actually passed away between 14-15 wks!
Today I am 15+3 with a single pregnancy and had a scan to reassure us things were still going well. We found all was well and baby is developing as they should be! 
I feel I can start to get excited (I know nothing is certain but we have come through so much)
I just wanted to share