pubmed:abstractText |
Umbilical cord arterial and venous, and maternal peripheral vein blood samples were collected during 20 deliveries after uncomplicated pregnancies. Using a gas chromatographic method, oestriol, oestriol sulphate, progesterone and a number of neutral steroid mono- and disulphates were quantitated in the cord plasma samples and a number of neutral steroid mono- and disulphates in the maternal plasma samples.
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