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Vaginal discharge is a mixture of fluid and cells that continuously flows out of your vagina. This discharge helps keep your vaginal tissues healthy and provides lubrication. It also helps protect against infection and irritation. Resource: https://getflowerpower.com/blogs/news/vaginal-discharge-different-types-and-their-meanings
A normal amount of vaginal discharge is about one to four milliliters per day, depending on your menstrual cycle. This amount changes as the fluid moves through your vagina and cervix, with most women experiencing the most discharge in the days before and including ovulation, and during sexual arousal and pregnancy.
Typical vaginal discharge usually has a clear or milky consistency and is mild smelling. Changes in the amount of discharge, or a different color or consistency, may signal something is wrong.
Discharge that’s chunky, foamy, or accompanied by itching and changes in color are signs of an infection. Talk to your doctor about your symptoms.
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Abnormal discharge is often caused by an STI, like chlamydia or gonorrhea, which spread during sexual contact. It also can be a symptom of a microbial imbalance, such as yeast infection or bacterial vaginosis.
Brown or gray discharge isn’t healthy and can be a sign of a bacterial infection called bacterial vaginosis (BV). This infection is usually treated with antibiotics from your doctor.
Some other abnormal discharge types include bloody or reddish-colored discharge that occurs outside of your period, and thick, yellow or green discharge that contains blood. These symptoms may be a symptom of a vaginal yeast infection or a sexually transmitted disease, such as trichomoniasis.