Just found this awesome website!
You put in your age and weight and previous births and it calculates your miscarriage risk by day! It seems pretty accurate according to other articles I have read.
I am only 3w6d according to ovulation day and I told my partner last night about my bfp. He refuses to get excited this early because he said miscarriage is really common in early pregnancy.
Started freaking me out and I started googling like crazy. Anyway, I have a 76.8% chance of a successful pregnancy as of today and it will continue rising each day.
The website is