Menopause at age 43 may be caused by pregnancy, illness, or menopause. If it is caused by pregnancy or illness, menstruation may recover gradually. If it is caused by menopause, it is usually difficult to recover. 1. Pregnancy: If you have been having regular menstrual periods and have sex without contraception, there is a higher chance of pregnancy, which can lead to cessation of menstruation. It is recommended that abdominal ultrasound and blood test for human chorionic gonadotropin be performed to determine the cause. If the cause is pregnancy, menstruation can gradually return to normal after the end of pregnancy. 2. Disease: Amenorrhea in women may be caused by diseases, such as thyroid dysfunction, pituitary tumors, polycystic ovary syndrome, which leads to hormonal imbalance in the body causing amenorrhea, and it is recommended to treat the primary disease. Menstruation can be restored gradually after the disease is relieved. 3. Menopause: Stopping menstruation at the age of 43 can also be considered to be related to menopause. When a woman enters menopause, the ovarian function gradually fades until it disappears completely, resulting in the cessation of menstruation, which is usually difficult to regulate back. Menopause at the age of 43, it is recommended to go to the hospital for relevant examinations to understand the cause, if it is caused by pathological factors, it is recommended to treat as soon as possible to avoid further aggravation of the condition.