The effect of parity and time between pregnancies on maternal hair chromium concentration

Values for hair chromium concentration of nulliparous women and parous women who had just given birth to a child were determined by atomic absorption spectrophotometry. Mean values for hair chromium concentration of nulliparous and parous subjects were 309 ± 23 and 117 ± 10 ppb, respectively. The di...

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Published inThe American journal of clinical nutrition Vol. 29; no. 10; pp. 1069 - 1072
Main Authors Mahalko, JR, Bennion, M
Format Journal Article
LanguageEnglish
Published United States Elsevier Inc 01.10.1976
Subjects
Adult
Chromium - deficiency
Chromium - metabolism
Female
Hair - metabolism
Humans
Labor, Obstetric
Middle Aged
Parity
Pregnancy
Pregnancy Complications
Time Factors
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Summary:Values for hair chromium concentration of nulliparous women and parous women who had just given birth to a child were determined by atomic absorption spectrophotometry. Mean values for hair chromium concentration of nulliparous and parous subjects were 309 ± 23 and 117 ± 10 ppb, respectively. The difference was highly significant (P < 0.001). No further significant decrease in hair chromium was observed in women who had borne more than one child. Hair chromium concentration increased significantly with the amount of time between pregnancies, especially when at least 4 years had passed since the end of the last pregnancy (P < 0.001). These data suggest a state of suboptimal chromium nutrition during pregnancy.
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ISSN:0002-9165
1938-3207
DOI:10.1093/ajcn/29.10.1069