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The term "rabbit test" was first recorded in 1949, and was the origin of a common euphemism, "the rabbit died", for a positive pregnancy test. [4] The phrase was, in fact, based on a common misconception about the test. While many people assumed that the injected rabbit would die only if the woman was pregnant, in fact all rabbits used for the ...
The frog test had been a highly dependable pregnancy testing method since the 1930s until the immunological test was presented in the 1960s. [12] Pharmacists would inject the female's early urine sample into the frogs and confirm their pregnancy with the spawning of eggs within 18 hours. However, there was a critical prerequisite for accurately ...
The indirect Coombs test is used in prenatal testing of pregnant women and in testing prior to a blood transfusion. The test detects antibodies against foreign red blood cells. In this case, serum is extracted from a blood sample taken from the patient. The serum is incubated with foreign red blood cells of known antigenicity. Finally, anti ...
Prenatal testing is a tool that can be used to detect some birth defects at various stages prior to birth. Prenatal testing consists of prenatal screening and prenatal diagnosis, which are aspects of prenatal care that focus on detecting problems with the pregnancy as early as possible. [2]
Therefore, a blood test can be positive while the urine test is still negative. [9] [10] Qualitative tests (yes/no or positive/negative results) look for the presence of the beta subunit of human chorionic gonadotropin in blood or urine.
This category is for articles about tests to see whether someone is pregnant. Pages in category "Tests for pregnancy" The following 10 pages are in this category, out of 10 total.
Various other specialized tests may be used to distinguish between different types of meningitis. A latex agglutination test may be positive in meningitis caused by Streptococcus pneumoniae, Neisseria meningitidis, Haemophilus influenzae, Escherichia coli and group B streptococci; its routine use is not encouraged as it rarely leads to changes ...
The Rh factor is an inherited protein found on the surface of red blood cells. [19] If the mother is Rh negative and the father is Rh positive, a fetus has at least a 50% chance of being Rh positive. [19] Rh incompatibility occurs when a mother has Rh-negative blood and her baby has Rh-positive blood. [19]