concerned

It's so weird today. So I had an urge to go to the restroom and urine. And although I had an urge for the first time I was able to hold it in because I usually can't. I usually When I feel I have to go, I really have to go. I guess I have some bladder problems. And the weird thing was that yesterday was the last day of my menstrual cycle but anyways.... So today when I had the urge I finally was able to get to a restroom. As I was going I had this weird pain while going.  It almost felt as I am draining out it's weird because it's only in my lower stomach area. It worries me because it just started today and now it makes me want yo go to the restroom more often. It hurts though. I just went to the restroom like maybe 20 minutes ago and it hurt the same but this time it was hurting a little more almost like more needs to come out and it wont but the cramping to go to the restroom continues. I wiped and there was a light pinkish color in the paper and well I know that is not part of my menstrual  cycle. I saw into the toilet and there was a light pinkish blood in the water... almost as it had dripped a few dropping. I don't know what this can be but it worried me a little. I can't tell my mom yet because it worries me but I told my sis. I wonder what it is... *sigh*