I know my daughter is only 6 months and my son is 4 Years old. but I already want just one more :(…

I know my daughter is only 6 months and my son is 4 Years old. but I already want just one more :( I've always wanted 3.. my period is still late, late by 16 days to be exact, so I can't wait to test on Friday :D but if I am, I might not fit in my wedding dress lol... Uh oh :p my wedding is on June 7th