There are two main possibilities for a woman to have clear, stringy leukorrhea instead of vaginal bleeding during menstruation: first, menstrual disorders; and second, pregnancy. The clear white and silk is a normal physiological phenomenon caused by changes in hormone levels in the body after a woman enters the ovulation period, the time of ovulation in the next period about 14 days before the arrival of menstruation, during menstruation is considered to be due to irregularities in the menstrual cycle caused by menstruation pushed back, resulting in the time of ovulation is pushed back. There is also the possibility of pregnancy, after pregnancy will not come to menstruation, and after pregnancy hormone level changes in the body easily caused by the increase in vaginal secretions, the symptoms are similar to the performance of the ovulation period, you can through the early pregnancy test paper or blood HCG test whether the pregnancy.