Intermenstrual bleeding

This depicts an individual with intermenstrual bleeding. They have three periods in this interval – the first period starts day 1, the next period starts 29 days later, and the next 30 days after that. The lighter intermenstrual bleeding is depicted as being on day 13 of the first cycle, and on day 25 of the second. This type of random bleeding is typically seen with a focal lesion or inflammation, including: cervicitis, cervical or endometrial polyp, or cervical cancer.