Sperm and egg combined to form a fertilized egg a few days after the implantation, implantation will have a watery discharge, this is because the body after pregnancy estrogen and progesterone increase, causing increased vaginal secretion, resulting in secretions are diluted appearing watery secretion. The watery discharge, accompanied by vulvar itching and other conditions to consider vaginitis, such as trichomoniasis, can be confirmed by routine examination of the leukorrhea, trichomoniasis can be determined under the guidance of the doctor with the use of mirex and other drugs treatment. However, you need to go to the hospital and take a blood test for HCG to see if you are pregnant. If you are pregnant, you must be careful with the medication so that it will not affect the development of the fetus. Usually pay attention to vulvar hygiene, it is best to change underwear, trichomoniasis can be transmitted through sex, but also through the communal bath tub, bath towels, etc., during the treatment period can not be coitus, can not be shared bath towels, bath tubs, clothing needs to be cleaned and disinfected.