Trabecular bone density in middle-aged women with reproductive disorders

Area of Science:

• Endocrinology
• Bone Metabolism
• Women's Health

Background:

• Estrogen exposure significantly influences bone density (BD) changes in women.
• Reproductive-aged women with premature ovarian insufficiency (POI) and polycystic ovary syndrome (PCOS) exhibit distinct estrogen exposure patterns.
• Women with a history of preeclampsia (PE) typically have normal estrogen exposure.

Purpose of the Study:

• To investigate the association between varying durations of estrogen exposure and trabecular bone density in reproductive-aged women.
• To compare trabecular bone density in women with reduced (POI), normal (PE), and prolonged (PCOS) estrogen exposure.

Main Methods:

• Trabecular bone density (BD) was quantified in thoracic vertebrae using coronary CT scans within the CREw-IMAGO study.
• Comparative analysis was performed between women diagnosed with POI, PE, and PCOS.

Main Results:

• Women with reduced estrogen exposure (POI) demonstrated significantly lower trabecular BD compared to those with intermediate exposure (PE) (MD -26.8, 95% CI -37.2 to -16.3).
• Women with prolonged estrogen exposure (PCOS) exhibited the highest trabecular BD (MD 15.0, 95% CI 4.3 to 25.7).

Conclusions:

• The duration of estrogen exposure is significantly associated with trabecular bone density in reproductive-aged women.
• Findings support the hypothesis linking estrogen exposure patterns to bone density variations in conditions like POI and PCOS.