There are several different reasons why the leucorrhea is thick like paste during ovulation: firstly, it is considered a normal ovulation symptom, the hormonal secretion in the body during ovulation will lead to an increase in vaginal secretions, thus producing paste-like leucorrhea; secondly, it is also related to gynecological inflammation, if there is gynecological inflammation it will lead to changes in vaginal secretions, abnormal leucorrhea, thick like paste, and may also produce leucorrhea odor. It may also be mycosis vaginalis. Mycobacterial infection can cause abnormal changes in the leucorrhea, along with various symptoms such as vaginal dryness and edema. You can use vaginal medication and also take cephalosporin or antibiotics to prevent the disease from becoming more serious repeatedly.