Influence of parity on bone mineral density and peripheral fracture risk in Moroccan postmenopausal women

Allali, F.; Mâaroufi, Houda; Aichaoui, Siham El; Khazani, H.; Saoud, Bouchra; Benyahya, B.; Abouqal, Rédouane; Hajjaj–Hassouni, N.

doi:10.1016/j.maturitas.2007.04.006

Cited by 53 publications

(36 citation statements)

References 24 publications

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“…For balance, a few studies have found that parity is associated with reduced BMD (17,80,375,472,559,686,699) or increased vertebral (97) or hip fracture risk (299). However, these reports are substantially outnumbered by the aforementioned studies that found a neutral or protective effect of parity.…”

Section: Human Datamentioning

confidence: 99%

“…A more recent study of lactating adolescents (mean age 16 yr) found no significant changes in BMD of the lumbar spine, femoral neck, and total hip by 6 mo of lactation with a calcium intake of 1,200 mg daily (590). Another study of lactating adolescents (mean age 17) found that randomization to a supplement containing 500 mg calcium and 200 IU vitamin D resulted in a higher lumbar spine BMD by 20 wk of lactation compared with placebo; however, women receiving the supplement had significantly reduced their breastfeeding frequency and intensity, and twice as many of them had resumed menses, compared with the placebo group (250). These differences mean that the women in the treatment arm would have lost less bone due to reduced breast milk output and recovery from low estradiol, and not necessarily as a direct result of the supplement.…”

Section: Human Datamentioning

confidence: 99%

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Maternal Mineral and Bone Metabolism During Pregnancy, Lactation, and Post-Weaning Recovery

Kovacs

2016

Physiological Reviews

383

524

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During pregnancy and lactation, female physiology adapts to meet the added nutritional demands of fetuses and neonates. An average full-term fetus contains ϳ30 g calcium, 20 g phosphorus, and 0.8 g magnesium. About 80% of mineral is accreted during the third trimester; calcium transfers at 300-350 mg/day during the final 6 wk. The neonate requires 200 mg calcium daily from milk during the first 6 mo, and 120 mg calcium from milk during the second 6 mo (additional calcium comes from solid foods). Calcium transfers can be more than double and triple these values, respectively, in women who nurse twins and triplets. About 25% of dietary calcium is normally absorbed in healthy adults. Average maternal calcium intakes in American and Canadian women are insufficient to meet the fetal and neonatal calcium requirements if normal efficiency of intestinal calcium absorption is relied upon. However, several adaptations are invoked to meet the fetal and neonatal demands for mineral without requiring increased intakes by the mother. During pregnancy the efficiency of intestinal calcium absorption doubles, whereas during lactation the maternal skeleton is resorbed to provide calcium for milk. This review addresses our current knowledge regarding maternal adaptations in mineral and skeletal homeostasis that occur during pregnancy, lactation, and post-weaning recovery. Also considered are the impacts that these adaptations have on biochemical and hormonal parameters of mineral homeostasis, the consequences for long-term skeletal health, and the presentation and management of disorders of mineral and bone metabolism.

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Section: Human Datamentioning

confidence: 99%

Section: Human Datamentioning

confidence: 99%

Maternal Mineral and Bone Metabolism During Pregnancy, Lactation, and Post-Weaning Recovery

Kovacs

2016

Physiological Reviews

383

524

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“…Some studies have shown evidence for decreasing risk of HF associated with increased parity [11,16]. However, the results are not consistent [17,18] and the relationship between parity and HF risk is still unclear.…”

Section: Introductionmentioning

confidence: 99%

Parity and osteoporotic fracture risk in postmenopausal women: a dose-response meta-analysis of prospective studies

et al. 2015

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“…Studies on postmenopausal women have shown MD, age at menopause, and BMI as predictors of osteoporosis [3][4][5][6]. Results of previous studies on effect of parity and lactation on BMD in premenopausal and postmenopausal women have been conflicting [5,[7][8][9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Differential effect of predictors of bone mineral density and hip geometry in postmenopausal women: a cross-sectional study

2015

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Influence of parity on bone mineral density and peripheral fracture risk in Moroccan postmenopausal women

Cited by 53 publications

References 24 publications

Maternal Mineral and Bone Metabolism During Pregnancy, Lactation, and Post-Weaning Recovery

Maternal Mineral and Bone Metabolism During Pregnancy, Lactation, and Post-Weaning Recovery

Parity and osteoporotic fracture risk in postmenopausal women: a dose-response meta-analysis of prospective studies

Differential effect of predictors of bone mineral density and hip geometry in postmenopausal women: a cross-sectional study

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