Did you know? Ancient Egyptians tested for pregnancy by having potential moms urinate on bags containing wheat and barley; if they sprouted shortly after it was a sign of pregnancy. A 1963 study reproduced the results as 70% accurate. This method, documented on papyrus scrolls dating back to 1350 BCE, involved a simple yet seemingly ingenious procedure: potential mothers were instructed to urinate on bags containing wheat and barley. The theory behind this method was straightforward yet fascinating. If the grains sprouted shortly after being exposed to the urine, it was a sign that the woman was pregnant. The mechanism behind this ancient pregnancy test is rooted in the hormonal changes that occur during pregnancy. Specifically, it is believed that the elevated levels of estrogen in the urine of pregnant women may have stimulated the germination of the grains. This theory has been supported by scholarly research and has even been tested in modern times. In a study conducted in 1963, researchers at the University of California replicated the ancient Egyptian pregnancy test. They found that the method was surprisingly accurate, with a success rate of approximately 70%. This result not only validated the ancient practice but also highlighted the sophistication of Egyptian medical knowledge.