In the first scan itself, where they will take to confirm the cardiac activity they can see 1 or 2 gestational sacs. The first scan is done around 6 to 8 weeks.

<span style="color:#3B5998;"><b><a href="http://app.babychakra.com/article/3394">Scans Recommended For Every Mom During First Trimester</a></b></span>

9 weeks scan they can see the heart beat

2 month after