Increased cramping?

Nia • Currently have an almost 2 year old, and newborn and 3 angel babies ❤❤❤💗💗

Im 15 weeks and for about a week ive had a lot of cramping (worse then 1st trimester). I had an US yesterday and everything was normal, baby was moving like crazy and haven't had any bleeding. It almost feels like Braxton Hicks (or like how I remeber it in my 1st pregnancy). Im also having (sorry tmi) vaginal pressure, again feels like toward the end of my last pregnancy.. anyone else experienced this or anything similar?