期刊
BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY
卷 123, 期 11, 页码 1830-1838出版社
WILEY-BLACKWELL
DOI: 10.1111/1471-0528.14237
关键词
Fetal growth; phosphocreatine; placenta
资金
- University of Adelaide
- Victorian Government
- Cerebral Palsy Alliance (Career Development Award)
- Stillbirth Foundation Australia
- NHMRC, Career Development Fellowship
- Early Career Fellowship
- Senior Research Fellowship
ObjectiveTo estimate creatine concentrations in maternal plasma and urine, and establish relationships with maternal characteristics, diet and fetal growth. DesignRetrospective cohort study. SettingLyell McEwin Hospital, Adelaide, Australia. PopulationA biobank of plasma and urine samples collected at 13, 18, 30 and 36weeks' gestation from 287 pregnant women from a prospective cohort of asthmatic and non-asthmatic women. MethodsCreatine was measured by enzymatic analysis. Change in creatine over pregnancy was assessed using the Friedman test. Linear mixed models regression was used to determine associations between maternal factors and diet with creatine across pregnancy and between creatine with indices of fetal growth at birth. Main outcome measuresMaternal creatine concentrations, associations between maternal factors and creatine and between creatine and fetal growth parameters. ResultsMaternal smoking, body mass index, asthma and socio-economic status were positively and parity negatively associated with maternal plasma and/or urine creatine. Maternal urine creatine concentration was positively associated with birthweight centile and birth length. After adjustment, each mol/l increase in maternal urinary creatine was associated with a 1.23 (95% CI 0.44-2.02) unit increase in birthweight centile and a 0.11-cm (95% CI 0.03-0.2) increase in birth length. ConclusionsMaternal factors and fetal growth measures are associated with maternal plasma and urine creatine concentrations. Tweetable abstractMaternal creatine is altered by pregnancy; fetal growth measures are associated with maternal creatine concentrations. Tweetable abstract Maternal creatine is altered by pregnancy; fetal growth measures are associated with maternal creatine concentrations.
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