Period 4 weeks late, 2 neg. Urine tests, darkish brown with hint of red discharge. Minimal symptoms (stands up dizzy for 3 secs) What does this mean?

Hormonal imbalance. Your dizziness may be due to dehydration, try drinking more water. Menstrual irregularities are not uncommon and anovulatory cycle is a common cause. If you miss more than two periods it would be time to see your doctor. If you do not wish to be pregnant, use contraception all the time. You may consider implanted contraceptive or an IUD. Consult this site for more information on this topic. Practice safe sex. Get HPV vaccine.