Yellowish vaginal discharge is not necessarily a sign of pregnancy, it is often a sign of cervicitis, endometritis or vaginitis. It is recommended to go to the hospital as soon as possible to have a laboratory examination of the discharge and it is better to do a high magnification of the leukorrhea laboratory examination so as not to miss the diagnosis clinically, and to give the treatment according to the results of the examination. If you are planning to get pregnant and have sex during the ovulation period this month, the drugs used in the treatment of inflammation and diseases should be avoided to affect the fetus, which should be especially reminded to the doctor’s attention. In addition, daily life must keep the vulva local clean, reduce inflammation and infection. Normally the discharge will increase when you are pregnant, but it will not be yellowish in color.