Women’s pre-pregnancy preparation mainly includes the following: 1) assessment of general physical health; 2) assessment of reproductive health; 3) assessment of ovarian reserve function; 4) psychological assessment before pregnancy. There are many means of assessment, and women who are preparing for pregnancy can first consult a fertility doctor, who will give a further reply by taking a medical history to understand the physical condition, menstrual status, and previous deliveries of women who are preparing for their second child. After taking a medical history, the doctor can draw blood for routine sex hormone tests, ultrasound and related physical examinations that can suggest the next step in the screening process for pregnant women.