Period cramps

I’m 37 weeks and 3 days, for the past four or five days I’ve had period like cramps. Not terribly painful but definitely nagging. Are those Braxton Hicks? I know they aren’t real contractions because it isn’t my entire stomach and they are random not timely at all. They last about a minute or so too. I mentioned it to my doctor Monday and she said it’s nothing to worry about but didn’t say if that’s a type of Braxton Hicks or not. Just curious because as this week has gone on they have gotten stronger and more frequent.