Pregnant women observing the fast.

Answered according to Hanafi Fiqh by DarulUloomTT.net

Q. If one is pregnant and does not feel sick or has any side effects, will it be alright for them to fast or will it be harmful to the unborn?

A. Many women who are pregnant observe the fast, and this does not bring about any harm to the unborn. As such, you may consult your doctor and follow his/her advice.

And Allah knows best.

Mufti Waseem Khan

This answer was collected from DarulUloomTT.net, which is operated under the supervision of Mufti Waseem Khan from Darul Uloom Trinidad and Tobago.