Before the period of leukorrhea and pregnancy is not necessarily linked, may be seen in the ovulation, may also be caused by pregnancy, need to analyze the specific circumstances. 1, ovulation: women in the ovulation period when the body hormone levels change, the secretion of mucus increased, and then appeared in the case of leukorrhea, the normal nature of the normal colorless transparent or yellowish egg-white liquid, viscosity higher than usual, it is a normal physiological phenomenon, no need for special treatment! 2.Pregnancy: After pregnancy, the level of estrogen and progesterone in women’s body will increase significantly, so there will be leukorrhea, if the embryo is not well developed, bleeding occurs, pregnant women are not sure of the pregnancy, that is, it is considered to be the case of menstrual period, the patient said that before menstrual period, leukorrhea, in fact, it is vaginal bleeding. If a woman’s period is delayed for more than 10 days and she has had sexual intercourse before, she is highly suspected of being pregnant and can be tested with early pregnancy test paper or go to the hospital for an early pregnancy test, such as a blood test for blood HCG, in order to make a clear diagnosis.