I have a thick white sticky discharge that is evident during the first few mins of intercourse and quite excessive to the point where we have to stop completely. im not pregnant and menstrual cycle has always been irregular. what could this mean?

Vaginal discharge: Vaginal discharge requires an examination to determine the cause and treatment. Bacterial vaginosis is the most common cause and often has a vaginal odor. Vaginal itching can be a sign of a yeast infection. Sometimes vaginal discharge can be a sign of a sexual transmitted infection. Testing is important to determine the treatment and keep you and your partner safe.