A watery discharge on the 4th day of a clean period can be a sign of ovulation or inflammation. Watery means that the discharge is watery, and if your period usually lasts 7 days, then 4 days after the clean period, it is almost time for ovulation. Ovulation because of changes in hormone levels, may stimulate increased secretions, then it is easy to cause the appearance of watery discharge, suggesting that ovulation may occur. If the watery discharge increases, accompanied by vulvar itching, burning and so on, then it may make the inflammation stimulation caused by this time it is recommended that you can promptly seek medical treatment. Women who want to accurately understand the situation of ovulation, not simply based on vaginal discharge to judge, can go to the hospital through ultrasound monitoring, can understand the development and discharge of follicles. If you want to get pregnant, choose to arrange intercourse after ovulation, the chances of getting pregnant are higher.