You missed period on sept 29
so you conceived sept 15 approximately
so you are 4 wk on sept 29
so I think you are 10 weeks today
you need more information
see if you can get information from nurse or pregnancy center
4252 is good beta#
they need to check beta every 2 weeks to make sure it goes up
beta should be between 100 - 20,000
i missed my period on oct 29 so I am 5 weeks today