Never before has this happened. Im worried about it. My tubes are tied they have been sense I was 21. I will be 35 aug 30th could this be a miscarriage or something more

Since there can be a number of possible reasons for irregular bleeding, it would be wise to see your Gynecologist for an exam. Depending on the cause, if it is determined, it may be a situation of waiting to see if your body regulates itself, medication may be considered, or a medical procedure may be needed.