Been having brown spotting for over a week. Have polycystic ovary syndrome & after losing weight, i´m becoming more regular, but what does this mean?

Weight loss . Weight loss is the key to managing polycystic ovarian syndrome. The fact that your cycles are now becoming more regular is testament to your success.
Please see below. There are a number of possible reasons for spotting. If this hasn't happened before, please see your Dr. for evaluation. BTW, congrats on getting to a healthier weight!
Brown spotting. Brown spotting maybe due to old unoxygenated blood and is normal. If concerned see your gynecologist to rule out a possibleinfection.