If there is a delay in menstruation with increased leukorrhea, lumbago and other symptoms may be pregnant, it is recommended to delay menstruation about a week to go to the hospital obstetrics and gynecology, with the doctor to do a urine pregnancy test. If positive in the menstrual delay of about 10 days, need to do uterine ultrasound to diagnose the uterine cavity whether there is a gestational sac to rule out ectopic pregnancy, if it is the imminent menstruation will not appear leukorrhea increase, menstruation is the least secretion of estrogen, there should be a decrease in the cervical and vaginal secretion, there will be a decrease in the leukorrhea and viscous vagina will appear dry and other symptoms. If the diagnosis of pregnancy need to pay attention to rest, avoid exertion, diet, pay attention to a balanced diet, strengthen the nutrition, need to eat more folic acid-containing foods, such as green vegetables, spinach and other leafy vegetables, to avoid the lack of folic acid caused by fetal neural tube development malformation.