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Arch. Dis. Child. Fetal Neonatal Ed. · Jul 1994
Concentrations of vitamins A and E in amniotic fluid, extraembryonic coelomic fluid, and maternal serum in the first trimester of pregnancy.
- J Campbell, N C Wathen, I Merryweather, R Abbott, D Muller, and T Chard.
- Combined Department of Obstetrics, Gynaecology, and Reproductive Physiology, St Bartholomew's Hospital, London.
- Arch. Dis. Child. Fetal Neonatal Ed. 1994 Jul 1; 71 (1): F49-50.
AbstractPaired samples of amniotic fluid and coelomic fluid were obtained by transvaginal ultrasound guided amniocentesis from 15 women with an ultrasonographically normal pregnancy between 8 and 12 weeks' gestation. Vitamins A and E were measured in the two pregnancy fluids and in maternal serum by high performance liquid chromatography with detection by ultraviolet absorption and fluorimetry respectively. Concentrations of vitamins A and E were higher in maternal serum than in coelomic fluid and were generally undetectable in amniotic fluid. All differences in concentration were significant. The vitamin E/cholesterol ratio was similar in maternal serum and coelomic fluid. No correlation was shown between the vitamin concentrations in the three fluids. These findings suggest that the coelomic cavity plays a part in the maternofetal exchange of these vitamins.
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