Pains from baby?

Emily • Due April 21 on Easter with my first child /Lila ❤️

Hello all I’m 17 weeks today but last couple weeks I’ve been having really bad pains like uti and I get them so easy well it usually happens at night time and it hurts really bad well last week I went to the doctors and they’re treating it as a uti I think it’s my baby moving all around or my body just growing I have no idea do you guys have any idea what it could be this is my first pregnancy