Pain in back during sex

Hannah • Endo Warrior 💛 Wife 05/16/15 💍 Mommy to Aurora Jane 10/09/17 our rainbow baby 🌈 and mommy to one angel. Pregnant with a boy, Oliver James due 11/8/19
Okay, so when we do girl on top, I feel like he is hitting my cervix and then I feel pressure in my lower back. Enough pressure it takes my breath away. Is that normal