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Any urinary problems? blood in the urine? Abnormal vaginal discharge? Did you look at the vagina with a mirror? Are you aware of anything which might have bought this on?
What does it mean by a weaker bladder? Frequent urination? burning sensation during urination? Do you feel as if you wanted to urinate again soon after you urinate? itching in the vagina?
Does urine leak when you exert pressure on your bladder by coughing, sneezing, laughing, exercising or lifting something heavy? Do you have a sudden, intense urge to urinate followed by an involuntary loss of urine? Do you have any medical problems? Any surgeries? Any medications including over-the-counter pills and herbs? Any other symptoms? Any family medical history? How many babies did you deliver vaginally?
It seems to be due to bacteria infection of the bladder. You should go to the urgent care to have an exam and antibiotics if it is.
If it is bleeding from fibroids, the amount is not like that. much more. You are too young to have cancer in the urinary tract cancer such as bladder cancer and kidney cancer. It could be a polyp in the bladder. You should see a urologist after Memorial day to have a urine test including cytology and cystoscopy, ultrasound if necessary.