After excluding pregnancy-related factors, delayed menstruation at 47 years old with back and leg pain may also be caused by endocrine disorders, gynecological inflammation, and other gynecological diseases. At the age of 47, although the chances of pregnancy will be smaller, it may also be one of the reasons for delayed menstruation and back and leg pain. 1. Endocrine disorders: women at the age of 47 may suffer from endocrine disorders, which lead to a decrease in hormone levels, thus affecting the normal menstrual cycle. Menstrual syndrome may also exist during menstruation, which manifests itself in the form of back and leg pain. 2. Gynecological inflammation: If gynecological inflammation exists, such as pelvic inflammatory disease, it may also stimulate the symptoms of lower back and leg pain due to the presence of inflammatory reactions. 3. Other gynecological diseases: such as uterine fibroids, etc. When uterine fibroids are numerous, they may affect normal menstruation and lead to delayed menstruation. If the tumor is large, there is also the possibility of causing back and leg pain. 47 years old menstrual delay waist and leg pain may also be other causes, it is recommended that timely consultation to rule out abnormalities, if necessary, under the guidance of physicians standardized treatment.