Maternal ultrasound bone density in normal pregnancy

P. Paparella, R. Giorgino, A. Maglione, D. Lorusso, P. Scirpa, A. Del Bosco, S. Mancuso

Research output: Contribution to journalArticlepeer-review

Abstract

Objectives: The aim of the study was to investigate the effect of pregnancy on maternal bone mineral density by an ultrasound device. Study methods: Two hundred and thirty consecutive healthy pregnant women were evaluated by ultrasound densitometry during the 1st (n = 45), the 2nd (n = 56) and the 3rd (n = 129) trimester of pregnancy, measuring the velocity (SoS) and frequency attenuation (BUA) of an ultrasound wave as it passes through the os calcis. Speed of sound (SoS) and Broadmand Ultrasound Attenuation (BUA) values are combined in order to express a relational variable (Stiffness),indicator of bone quality. Results: Statistically significant reductions in SoS, BUD and Stiffness values were observed during the 3rd trimester vs the 1st and the 2nd trimesters. Negative statistically significant relations were found between the gestational age and ultrasound densitometry parameters. Conclusion: A linear reduction of ultrasound bore density was observed throughout pregnancy, reaching a statistical significance in the 3rd trimester, when the greatest calcium transfer from the mother to the fetus occurs.

Original languageEnglish
Pages (from-to)268-278
Number of pages11
JournalClinical and Experimental Obstetrics and Gynecology
Volume22
Issue number4
Publication statusPublished - 1995

Keywords

  • Bone density
  • Bone loss
  • Pregnancy
  • Ultrasound

ASJC Scopus subject areas

  • Obstetrics and Gynaecology

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