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  • Title: Value of total serum oestriol and human placental lactogen in the assessment of fetal-placental function.
    Author: Isouard G.
    Journal: Aust N Z J Obstet Gynaecol; 1979 May; 19(2):69-76. PubMed ID: 292431.
    Abstract:
    Serum levels of total oestriol and human placental lactogen (HPL) were measured in 360 pregnancies; in 182 there were abnormalities likely to be associated with increased fetal risk. A total of 217 estimations of oestriol and HPL were performed in 163 normal pregnancies to define the normal ranges. The value of both tests in the management of complicated pregnancies was assessed. Serum oestriol was found to be very efficient in the diagnosis of intrauterine growth retardation. In such cases, 76% of patients had unfavourable oestriol levels. Patients with mild pre-eclampsia had HPL levels similar to normal, but values decreased significantly in the presence of fetal distress. The mean serum oestriol level in patients with pre-eclampsia were lower than normal, and were further reduced in the presence of fetal distress. The importance of measuring serum oestriol levels at each antenatal visit is stressed in the detection of developing fetal complications; in such cases, 73% of patients had subnormal values. Both tests provided accurate assessments in the 8 patients with intrauterine death. Significant fetal-placental dysfunction was present in 55 patients, and 41 (75%) were predicted by serum oestriol, 23 (42%) by HPL, and 45 (82%) by the use of both tests. In the 142 complicated pregnancies that resulted in a favourable outcome, confirmation was obtained in 102 (72%) by serum oestriol and in 121 (86%) by HPL.
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