Webbaby is really low, 3. 5 cm dilated, 80% effaced. no contractions although i get some tightening but it's not severe. I have a lot of pressure in my pelvis and butt and slight. Webmay 27, 2022 · what does it mean when you are 80% effaced? Effacement of 80% means you’re only 20% away from being completely effaced. Another way to think of it is you’re. Webjun 6, 2017 · i'm exactly the same as you right now. 3cm dilated and 80% effaced. With my first i stayed at…