What do Braxton Hicks feel like?

Belinda • 25. Arrow's mom👶🏼. Attachment Parent. Liberal. BREASTFED IS BEST FED// full of sarcasm & idioms 💕
I'm having stingy pain around my belly (feels like sciatica nerve issues ) and wondering if maybe it's Braxton Hicks? Or heartburn ? Usually the heartburn is down the middle of my belly I'm not sure! 32 weeks tomorrow!