Sis, I totally get the worry, first time kasi talaga nakaka-nerve! But honestly, you really need to show your OB-GYN that result para ma-explain niya properly kung okay lang or may kailangan pang gawin, they'll know exactly what it means for your delivery, at yan talaga ang best person to ease your mind.
A few of us moms had concerns din in our last trimester, pero once nag-explain ang doctor, parang cleared na agad ang puso namin. You're almost there na! Get it checked with your doc ASAP, ha?