White discharge before period is typically a normal part of how your body responds to hormonal changes throughout the menstrual cycle. As progesterone increases after ovulation, cervical mucus often becomes thicker, creamy, or milky white — a type called leukorrhea that helps keep the vagina healthy and lubricated. This discharge before menstruation is usually odorless, mild in texture, and not accompanied by irritation, and is considered normal. However, if the discharge has a strong odor, itching, burning, unusual color, or pain, it could indicate an infection or other condition and should be checked by a healthcare provider.