<span style="color:#3B5998;"><b><a href="http://app.babychakra.com/article/2850">EDD Calculator: For An Organized Pregnancy Care</a></b></span>

use FLO app. it will directly show ur pregnancy week

Your doc count it from LMP

<a style="text-decoration:none" href="http://app.babychakra.com/article/2866"><b><font color="#3b5998">Pregnancy Calculators Help Track The Progress Of Your Pregnancy</font></b></a>