Serum chorionic gonadotrophin (hCG), schwangerschaftsprotein 1(SP1), progesterone and oestradiol levels in patients with nausea and vomiting in early pregnancy

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Abstract
Summary. Serum concentrations of human chorioni gonadotrophin (hCG). schwangerschaftsprotein l(SPl), progesterone and oestradiol were measured in 116 pregnant women experiencing varying degrees of nausea and vomiting or no nausea at all at between 9 and 16 weeks gestation. The patients were categorized into four groups, namely asymptomatic, nausea alone, nausea and vomiting and hyperemesis gravidarum. The distribution of levels for each group were examined in relation to the calculated normal ranges. Statistically higher hCG levels were found in out‐patients with nausea alone or nausea and vomiting than in the asymptomatic women. No significant differences were found between the groups for any of the other measured variables, including the progesterone/oestradiol concentration ratio.