Hi
As per my 3 months pregnany,I am right now suppose to be 21 weeks pregnant,but the baby's growth is not adequate as 21weeks.do u think it's a concern.plus I don't feel that baby bump as yet.and I have a bicournate uterus.there is a small clot below the placenta

These are all questions for your own medical practitioner.

These are all questions for your own medical practitioner.
Yes,

Please ask your doctor. We cannot assessed you or the fetus via the Internet.