5 weeks preg

my first pregnancy I stopped having symptoms at week 6 and around week 8 I had fever and my back was constantly in pain and having diarrhea everyday..I went to kkh on week 9 or 10 and had my first check up they said I might have a missed miscarriage and the baby stopped growing at 6weeks. but I had to do a follow up in a few weeks time again to check if it's really not growing.. and yes it's a missed miscarriage where my body doesn't detect a loss.. until on my 16th week I had severe cramps and blood started coming out.. and had to be rushed to kkh.. however not everyone's the same.. but if you're worried, do check.