My +hpt was really faint with my twins (I had to ask dh if second line was really there). DH said he thought was twins when I was 10 weeks due to me getting big quick, I put it down to being 2nd pregnancy.

We found out at 12 wk scan that is was twins, needless to say I was a little shocked and all dh did was turn to me and say 'I told you so' lol.