1-4 weeks=One month
5-8 weeks=Second month
9-13 weeks=Third month
14-17 weeks=Fourth month
18-21 weeks=Fifth month
22-26 weeks=Sixth month
27-30 weeks=Seventh month
31-35 weeks=Eighth month
36-40 weeks=Ninth month
So it looks like you are about 4 months along. Congrats!
3 months, 2 weeks, & 4 days along.