Is it normal to hear a loud pop in the uterus at eight weeks pregnant?

There are several strong ligaments in your lower pelvis that support the joints and organs, during pregnancy they are affected by hormones that allow the uterus to grow and the pelvis to shift slightly to allow the passage of the baby during a vaginal birth.

Most likely the pop was one of those ligaments or joints, the same way some people can hear a pop when they crack their back or knuckles.

If you are experiencing an unusual pain in the area, or fluid leaking from the vagina - contact your doctor or Emergency Room, otherwise mention it to your doctor at your next routine visit.