Anyone have any dull ache/cramping at 8 weeks?

Amy • Married 4/4/2012. Baby #1 born 3/18/17 💙! Boy/girl twins due 2/18/20!
I'm worried cause I haven't had any cramping since the week after I found out I was pregnant. Now I'm getting a bit if slight cramping today at exactly 8 weeks. No bleeding. It still makes me nervous. Anyone else have this?