1, adhere to a healthy lifestyle, targeted changes in bad behavior and lifestyle, take the initiative to eliminate or avoid exposure to various risk factors, reasonable diet, moderate exercise, adequate sleep, with a happy and calm state of mind and a good state of health into the pregnancy stage. 2, pay attention to dietary regulation, nutritional intake should be balanced, 3 months before pregnancy couples supplement multivitamins containing folic acid. 3, men and women go to the hospital to do a pre-pregnancy examination, the man needs to check the semen routine. 4, measure the basal body temperature (download basal body temperature software, daily record, the formation of curves), or ovulation test paper to measure ovulation (record the situation of each test, you can write down the test time after each test, you can keep a good test paper, you can also use a digital camera to take pictures, observation of the color shades) to learn to observe the cervical mucus, to grasp the law of their own ovulation. 5, if the ovulation test paper has been weakly positive or can not be measured positive or try to get pregnant for 3 months without pregnancy, go to the hospital to do ultrasound to monitor ovulation, observe the development of follicles, whether or not ovulation. 6, try to get pregnant for 6 months without pregnancy, need to go to the hospital for further examination.