Preconception checkups before preparing for pregnancy are more significant for many couples who are about to have a baby. The checkups needed before preparing for pregnancy are as follows: 1. Pregnancy is a common task for both spouses, so preconception checkups are not only needed for women, men should have semen checkups if they do not have systemic diseases; 2. For healthy women, they should undergo routine gynecological examinations, such as routine leukorrhea, gynecological ultrasound, blood tests for thyroid function, and TORCH tests, including toxoplasmosis, rubella virus, cytomegalovirus and herpes simplex virus. For women with irregular menstruation, the hormone level should be checked; for women with family genetic diseases, chromosome examination should be done before pregnancy. After pregnancy is found, you should go to the hospital in time to check the following items: 1) blood test for HCG and progesterone to confirm pregnancy; 2) ultrasound is the most common and indispensable item to confirm whether it is intrauterine pregnancy and to understand the development of embryo; 3) blood pressure measurement to record the basic value of blood pressure in early pregnancy; 4) gynecological examination and routine blood test to exclude 5.Thyroid function check, because the incidence of thyroid disease in women is higher nowadays, and hypothyroidism is more common during pregnancy, if abnormalities occur, they should be controlled by medication early, otherwise abnormal thyroid function may lead to miscarriage; 6.If no examination has been done before pregnancy, virus-related examinations can also be done in early pregnancy, such as TORCH, including Toxoplasma gondii, cytomegalovirus, herpes simplex virus and other tests.