Pop sensation???

P

Hey mamas. I’m nearly 31 weeks in two days and earlier I went to the ladies room and felt this pop in my lady area. It felt like popcorn being popped or something. I’m a ftm so I wasn’t entirely sure if it’s the baby having hiccups or something. I still feel her kicks in my abdomen, but that pop was definitely in my area....any idea what it could’ve been?