Persistent lower back pain without menstruation: Possible causes
During menstruation, many women experience symptoms such as breast pain and tenderness. Some women also suffer from persistent lower back pain before their period begins. However, if this back pain continues for several days while menstruation remains delayed, it can cause significant distress. This scenario likely indicates menstrual delay. So, what are the possible causes of persistent lower back pain accompanied by absent menstruation? Below, we address this question.

Why does persistent lower back pain occur alongside absent menstruation?
Isolated lower back pain combined with menstrual delay may be associated with hormonal imbalances, metabolic disorders, psychological stress, or excessive physical fatigue. If the delay is no longer than one week, there is generally no cause for concern, and no treatment is required. However, if menstruation is delayed beyond 7–10 days, gynecological examination and pelvic ultrasound should be performed to rule out pregnancy. Underlying gynecological conditions—such as pelvic inflammatory disease, ovarian cysts, or uterine fibroids—can also disrupt normal menstruation and require medical evaluation and treatment. Adjunctive herbal therapies, such as Motherwort Granules and Xiaoyao Pills, may be considered under professional guidance.
Knowledge Extension: What causes amenorrhea?
Amenorrhea (absence of menstruation) has numerous potential causes and may be linked to multiple factors. For instance, increasing societal emphasis on physical appearance—especially among young women striving for a slender figure—has led many to join the “weight-loss movement.” In this context, employing scientifically sound and appropriate weight-loss methods is critically important.
Some individuals engage in extreme or unguided dietary restriction, resulting in nutritional deficiencies. Notably, certain people eliminate staple foods entirely to lose weight, which may lead to amenorrhea. Additionally, heightened psychological stress can disturb endocrine function and thereby disrupt the regular menstrual cycle.
The above outlines the possible reasons for persistent lower back pain accompanied by amenorrhea. We hope this information is helpful to you.