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2. Rabbit test - Wikipedia

   en.wikipedia.org/wiki/Rabbit_test

   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.

3. *This* Is The Best Time Of Day To Take A Pregnancy Test For ...

   www.aol.com/best-time-day-pregnancy-test...

   How At-Home Pregnancy Tests Work. Every pregnancy test is slightly different, ... Pregnancy Test For Early Result. Some tests only offer a positive or negative result, but Wondfo has an invalid ...

4. Pregnancy test - Wikipedia

   en.wikipedia.org/wiki/Pregnancy_test

   Pregnancy tests may be used to predict if a pregnancy is likely to continue or is abnormal. Miscarriage, or spontaneous abortion or pregnancy loss , is common in early pregnancy. [ 29 ] Serial quantitative blood tests may be done, usually 48 hours apart, and interpreted based on the knowledge that hCG in a viable normal pregnancy rises rapidly ...

5. Beginning of pregnancy controversy - Wikipedia

   en.wikipedia.org/wiki/Beginning_of_pregnancy...

   A protein called early pregnancy factor (EPF) is detectable in a woman's blood within 48 hours of ovulation if fertilization has occurred. However, testing for EPF is time-consuming and expensive; most early pregnancy tests detect human chorionic gonadotropin (hCG), a hormone that is not secreted until after implantation. Defining pregnancy as ...

6. Pregnancy tests using animals - Wikipedia

   en.wikipedia.org/wiki/Pregnancy_tests_using_animals

   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.

7. Prenatal testing - Wikipedia

   en.wikipedia.org/wiki/Prenatal_testing

   At early presentation of pregnancy at around 6 weeks, early dating ultrasound scan may be offered to help confirm the gestational age of the embryo and check for a single or twin pregnancy, but such a scan is unable to detect common abnormalities. Details of prenatal screening and testing options may be provided.