I Had A Pinkish Color On My Toilet Paper After

I had a pinkish color on my toilet paper after wiping from going pee it continued for another day but I wear a pad overnight and it was pinkishh light brown on the pad but there wasn't that much I thought I was starting my period because it was around the 5th and the 2 months before this month I started my period around the 5th or 6th I have an irregular Period and I Had abdominal pain and baby cramps maybe once or twice