I had sex and my last period was on july 19, and ended on july 26/27 i'm having white thick discharge what does that mean?

Depends: If your concern is about being pregnant, you may take a home pregnancy test. If the result is negative, re do the test in a week. Use first morning urine and follow the instructions for the test carefully.

Variety of causes: 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.