I'm 23+3 and I've been getting them as well. Mainly when I'm getting up or walking. I've been thinking it was just from dehydration so I've been trying to drink more water but I don't know that for sure.
Im 14 weeks n iv had this all day to peoples told me its growin or babys on a nerve x
You should call or go see your doc from what I heard of painful cramps aren't good it's normal to get Braxton hicks but not cramps