Proteohormones in Human Amniotic Fluid
The replacement of biologic methods by specific radioimmunoassays has also increased the possibilities for studying protein hormones in human amniotic fluid. However, until recently it was not possible to differentiate by RIA between LH and human chorionic gonadotropin (HCG). After the detection of structure differences in the (β-subunit between LH and HCG , the development of antisera against the respective β-units was possible. Radioimmunoassay with such antisera yielded measurable levels of LH in amniotic fluid that were compared to fetal serum, fetal pituitary content, and pituitary excretion of LH . The results are shown in Table 101.
KeywordsLuteinizing Hormone Cord Blood Amniotic Fluid Human Growth Hormone Maternal Blood
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