Unsurprisingly, pregnancy testing in this era was not routine , used only by those who were wealthy or needed to know if they were pregnant for medical reasons. Most notably, high levels of lutenizing hormone stimulate ovulation. If treated early, most causes of abnormal urine in cats can be corrected and have your cat feeling frisky in no time. Pee on a Stick: The birth of the modern pregnancy test Since the s, at-home pregnancy tests have become the norm, with about 20 million sold per year in the US alone.
Therefore, if the woman was pregnant, her urine would prevent the blood cells from clumping. Decreased urination, often associated with straining, or vocalization can signal a urethral blockage, and more commonly occurs in male cats. When reading the results of the test, the operator would look at whether the blood cells clumped to determine pregnancy. The oldest known test involved urinating on grain seeds and seeing if they sprouted. Weese1, Scott J.