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What is Which of the following test is used to estimate the amount of feto-maternal hemorrhage? and explain in detail?
Ans. B. Kleihauer Betke testKleihauer-Betke test is used to estimate amount of fetal maternal hemorrhage. A maternal blood sample is treated with an acid-dilution procedure allowing identification of fetal blood cells. Comb's test prenatal detection of antibodies (Rh) in Rh negative mother as a screening test. Liley spectrophotometer is used in plotting amniotic fluid bilirubin in case of Rh sensitized mother after Amniocentesis. Shrill test:- Cervical biopsy test in suspected Ca cervix. Gram iodine is used as a Steiner. Healthy' tissue stains brown while carcinomatous are a remains unstained.