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Titolo:
BONE-MINERAL LOSS DURING LACTATION AND RECOVERY AFTER WEANING
Autore:
KALKWARF HJ; SPECKER BL;
Indirizzi:
CHILDRENS HOSP,MED CTR,DIV NEONATOL,3333 BURNET AVE,ML-0541 CINCINNATI OH 45229
Titolo Testata:
Obstetrics and gynecology
fascicolo: 1, volume: 86, anno: 1995,
pagine: 26 - 32
SICI:
0029-7844(1995)86:1<26:BLDLAR>2.0.ZU;2-8
Fonte:
ISI
Lingua:
ENG
Soggetto:
PARATHYROID-HORMONE; TRABECULAR BONE; REPRODUCTIVE FACTORS; WOMEN; DENSITY; HOMEOSTASIS; POSTPARTUM; CALCIUM; RISK; HIP;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
27
Recensione:
Indirizzi per estratti:
Citazione:
H.J. Kalkwarf e B.L. Specker, "BONE-MINERAL LOSS DURING LACTATION AND RECOVERY AFTER WEANING", Obstetrics and gynecology, 86(1), 1995, pp. 26-32

Abstract

Objective: To test the hypothesis that bone mineral content (BMC) anddensity (BMD) are lost during lactation and regained within 6 months after weaning. Methods: Two cohorts of women, defined by time postpartum were enrolled into the study; each cohort was followed for 6 months. Women in the lactation cohort (65 lactating women and 48 nonlactating postpartum controls) were enrolled at 2 weeks postpartum. Women in the weaning cohort (40 lactating and 43 nonlactating postpartum controls) were enrolled at 4-6 months postpartum. Lactating women enrolled inthe weaning cohort had been fully breast-feeding at enrollment and weaned within 2 months of enrollment Bone mineral. content of the total body and BMD of the lumbar spine and distal radius were measured by dual-energy x-ray absorptiometry. Results: Lactating women lost significantly more bone in the total body (-2:8 versus -1.7%) and lumbar spine(-3.9 versus 1.5%) than did nonlactating women during the first 6 months postpartum. There was no effect of lactation on bone changes at the distal radius. After weaning, lactating women gained significantly more bone in the lumbar spine than did nonlactating women (5.5 Versus 1.8%). Earlier resumption of menses was associated with a smaller loss of bone during lactation and a greater increase of bone after weaning. Conclusion: Women lose bone during lactation but gain bone after weaning. Thus, lactation may not result in net bone loss.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 03/12/20 alle ore 21:53:50