No once baby completes 37 weeks it's considered full term. 37-40 week baby is completely mature

No, Anytime after 37 weeks is full term.

<font color ="#3b5998"><b><a href="http://app.babychakra.com/article/1006">The Basics About a Premature Baby</a></b></font>

No.. it's almost full term..so they are not premature