First of all, exclude the possibility of pregnancy, the seventh day after ovulation leukorrhea increase may be caused by vaginal inflammation. If it is not accompanied by vulvar itching, odor symptoms, pay attention to hygiene can be. Wash the vulva with water every day, wear cotton loose underwear, and pay attention to vulvar hygiene. If the discharge increases with itching and odor, it is mostly caused by inflammation. You need to check the discharge to see the type of inflammation, such as Pseudomonas, Trichomonas, bacterial infection or mixed infection. Depending on the type of inflammation, you can use topical or systemic medication to treat the symptoms. Ten days after intercourse, take a pregnancy test or blood HCG test, the blood result is more accurate than the urine result. If your period is delayed for more than a week, in addition to the blood test, an ultrasound is needed to check the uterine adnexa and pelvis.