Membrane Sweep at 38 weeks

Alexis • 3 year old Chloe💖 11/15/15 & Jacob 💙 3-5-19

I have a doctors appointment today, and I was going to ask if I’m not dilated at all if they could do a membrane sweep. I’m currently 37w 6 d. Has anyone had one done this early? Or does your doctor typically make you wait until 39 weeks to do one?