Journal
CALCIFIED TISSUE INTERNATIONAL
Volume 110, Issue 5, Pages 531-545Publisher
SPRINGER
DOI: 10.1007/s00223-021-00815-6
Keywords
Osteoporosis; Fractures; Pregnancy; Lactation
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Pregnancy-associated osteoporosis is a rare condition affecting women in pregnancy or the postpartum period, characterized by skeletal fragility and vertebral fractures. The etiology is poorly understood, and management is challenging due to limited evidence and potential spontaneous improvement in bone density post-pregnancy and lactation.
Pregnancy-associated osteoporosis (PAO) is a rare condition of skeletal fragility affecting women in pregnancy or the postpartum period. During normal pregnancy and lactation, substantial changes in calcium metabolism and skeletal physiology occur in order to meet the demands of the developing foetus. Whilst these adaptations are reversible and generally of no clinical consequence for the mother, a small number of women will develop osteoporosis and suffer fragility fractures. Vertebral fractures occur most commonly in PAO and are often multiple. Due to the rarity of PAO, systematic study to date has been limited. Aetiology is poorly understood, but traditional osteoporosis risk factors and genetic factors are likely to play a role. A small number of cases may be due to an underlying metabolic bone disorder or monogenic condition. Management of PAO is challenging, due both to a poor evidence base and the fact that spontaneous improvement in BMD is known to occur once pregnancy and lactation are complete. Bisphosphonates, denosumab and teriparatide have all been used in individual patients, but the data supporting their use are currently limited.
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