怀孕资讯：Pregnancy Due Date Calulator

We are so excited that we are pregnant! I found this web page (http://www.americanpregnancy.org/duringpregnancy/pregcalc.html)  which is very useful to calculate our due date and etc.

First Day of Last Menstrual Period: 13/10/2011

Average Length of Cycles: 30 days

Results

Estimated Fertility Window: 25/10/2011 - 04/11/2011

Estimated Conception Date: 30/10/2011 ( i guess this is quite accurate. i can recall that we were not so active in "X" on the begining of November @@)

Estimated Gestational Age : 5 Weeks 5 days

Estimated Due Date: 22/07/2011 (same as my gyne's calculation)