Weird Cramps

No

Hola ! I'm currently 4 weeks and 4 days and been having strange feelings that scares me bc this is my second pregnancy, I miscarried last August. I have these on and off cramp/aches in my pelvic area it comes and go and last for only like 3 seconds. Also, I walked around the shopping mall yesterday and started experiencing the cramps as well. Anyone else experienced this feeling ?