For preggies mommies ask lang

nasa 15weeks na akong preggy sabi sakin ng OB healthy nman si baby at yung placenta sabi nya pag 6months nalang ako magpapa u-ultrasound pero diba dapat importante talaga yung ultrasound every trimester? I mean kahit TVS hindi cya nag rerecommend huhu #1stimemom #advicepls #theasianparentph