Period-like Cramps at 16 Weeks

Jenn • 10 yr old son, 6 yr old daughter, Baby Boy born 10/11/2019💙

I’m 16 weeks and 2 days pregnant and I’ve been having period-like cramps for over 36 hours now. I’ve felt it consistently throughout the day and it has kept me up two nights in a row. (I’m not sure if it’s purely the discomfort that’s keeping me awake or the worry that comes with the cramping. Probably a combination of both). I’m having no bleeding or abnormal discharge, but it’s making me very worried. Anyone else experience this around 16 weeks pregnant?

I should also mention, I KNOW this is NOT round ligament pain or associated with gas or bowel movements. This is my third pregnancy and I’m familiar with both of those symptoms.