Pulse feeling in womb area/ pubic area?!?

J✨ • Student Nurse and PCOS sufferer 🇬🇧
Hello? I've just finished my period almost a week ago and I've still been having period cramps 😁😑? Also, today I've been feeling this weird pulse feeling around the womb/ pubic area. It just keeps throbbing. It doesn't hurt, it's like a heart palpitation in that area. It will do it like 4-5 times every minute or so 😩. I've also noticed that my appetite has decreased. (Btw there's no chance I could be pregnant 😁)  What could this be? Is it something I should be worried about? X