Biochemical Parameters for Surveillance of High-Risk Pregnancies

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Abstract
When considering the diagnosis and surveillance of risk pregnancies, one has to differentiate between early complicated pregnancy and high-risk pregnancy in the second half of gestation. Some of the biochemical parameters for surveillance of the 2 different kinds of risk pregnancies are given. The diagnostic value of x-fetoprotein and serum and urinary estriol is discussed. Other biochemicals are discussed: human chorionic gonadotropin, placental lactogen, cystine amino peptidase, pregnancy-specific B, glycoprotein, 17 .beta.-hydroxysteroid oxidoreductase, 17.beta.-estradiol, progesterone, estrone, heat-stable alkaline phosphatase. Fetal growth retardation, intrauterine death, abortion and birth defects are discussed.