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A pregnancy test is used to determine whether a female is pregnant or not. The two primary methods are testing for the female pregnancy hormone (human chorionic gonadotropin (hCG)) in blood or urine using a pregnancy test kit, and scanning with ultrasonography. [1] Testing blood for hCG results in the earliest detection of pregnancy. [2]
Hogben test. African clawed frog. The Hogben test, named after the British zoologist Lancelot Hogben, was one of the most reliable and rapid pregnancy tests from the 1940s to the 1960s. [6] The urine samples were injected into African clawed frogs. The Hogben test uses female frogs, unlike the Galli-Mainini test which uses male frogs.
The rabbit test became a widely used bioassay (animal-based test) to test for pregnancy. 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.
Prenatal testing. To monitor maternal and fetal health and progression, as well as, detect fetal abnormalities during pregnancy. 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 ...
The five babies were born at 27 weeks, about 13 weeks early. All were delivered by caesarian section. Franklin Walker was born first at 1:23 p.m., weighing one pound, 14.7 ounces.
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