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2. Amniocentesis - Wikipedia

   en.wikipedia.org/wiki/Amniocentesis

   Amniocentesis is a medical procedure used primarily in the prenatal diagnosis of genetic conditions. [1] It has other uses such as in the assessment of infection and fetal lung maturity. [2] Prenatal diagnostic testing, which includes amniocentesis, is necessary to conclusively diagnose the majority of genetic disorders, with amniocentesis ...

3. Fern test - Wikipedia

   en.wikipedia.org/wiki/Fern_test

   Fern test. Positive fern test with amniotic fluid as seen under the microscope. The fern test is a medical laboratory test used in obstetrics and gynecology. The name refers to the detection of a characteristic " fern like" pattern of vaginal secretions when a specimen is allowed to dry on a glass slide and is viewed under a low-power microscope.

4. Contraction stress test - Wikipedia

   en.wikipedia.org/wiki/Contraction_stress_test

   fetal test (heart rate) A contraction stress test (CST) is performed near the end of pregnancy (34 weeks' gestation) to determine how well the fetus will cope with the contractions of childbirth. The aim is to induce contractions and monitor the fetus to check for heart rate abnormalities using a cardiotocograph.

5. Accuracy and precision - Wikipedia

   en.wikipedia.org/wiki/Accuracy_and_precision

   Accuracy is also used as a statistical measure of how well a binary classification test correctly identifies or excludes a condition. That is, the accuracy is the proportion of correct predictions (both true positives and true negatives) among the total number of cases examined. As such, it compares estimates of pre- and post-test probability.

6. Urine test - Wikipedia

   en.wikipedia.org/wiki/Urine_test

   A urine test is any medical test performed on a urine specimen. The analysis of urine is a valuable diagnostic tool because its composition reflects the functioning of many body systems, particularly the kidneys and urinary system, and specimens are easy to obtain. [1] Common urine tests include the routine urinalysis, which examines the ...

7. Human chorionic gonadotropin - Wikipedia

   en.wikipedia.org/wiki/Human_chorionic_gonadotropin

   Human chorionic gonadotropin ( hCG) is a hormone for the maternal recognition of pregnancy produced by trophoblast cells that are surrounding a growing embryo (syncytiotrophoblast initially), which eventually forms the placenta after implantation. [1] [2] The presence of hCG is detected in some pregnancy tests (HCG pregnancy strip tests).