The main effects of removing the uterus when you are 40 years old are that you lose the ability to have children, you will not have menstrual periods, and it may lead to pelvic muscle hypofunction. The uterus is the organ that nurtures the embryonic fetus and also produces menstruation. after removing the uterus at the age of 40, the main effect on the human body is that she loses the ability to bear children, will no longer have menstrual periods, and may lead to hypoplasia of the pelvic floor muscles. 1. Loss of fertility, the uterus is the organ that nurtures the embryo and the fetus, after a woman removes her uterus, she completely loses the ability to bear children. If the ovaries are preserved, basically there will be no endocrine disruption and the impact on the body is relatively small. 2. No more menstruation, the reason why women have menstruation is mainly due to the endometrial lining of the uterus under the influence of ovarian hormones, after the removal of the uterus, there will be no more endometrial lining shedding, and of course, there will be no more menstruation. 3. When the uterus is removed, the ligaments of the pelvic floor may be damaged, so that hypoplasia of the pelvic floor muscles may occur, such as pelvic organ prolapse. It is recommended that hysterectomized patients avoid heavy labor for one year, and that any cough or constipation be treated promptly.