What kind of obstetrics and gynecology department you should consult depends on the time of pregnancy. You can consult the gynecology clinic in the early stage of pregnancy, and consult the obstetrics and gynecology department after the third trimester of pregnancy. 1. Early pregnancy: gynecology clinic can be, need to do HCG test, progesterone test or ultrasound, in order to clearly diagnose whether the pregnancy. 2. After the third month of pregnancy: you need to register with the Obstetrics and Gynecology Department or the Department of Obstetrics and Gynecology to set up a file, and then do the necessary examinations according to the examination items in the file, and then go to the Obstetrics and Gynecology Department or the Department of Obstetrics and Gynecology for obstetrics regularly. Clinical pregnancy must be under the guidance of the doctor to do a good job in the maternity examination, there are any problems should be actively dealt with under the guidance of the doctor, to avoid delayed treatment.