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Throughout history many different methods have been devised for the early detection of pregnancy. From the time of the Ancient Egyptians, inspection…
Pregnancy TestsReproductionFertilityThroughout history methods involving urine have been a popular way to test for pregnancy. Early ideas ranged from simply observing the color of a…
TechnologyPregnancy TestsReproductionFertilityThe extraembryonic membranes that surround and originate from the embryos of vertebrates such as birds, reptiles, and mammals are crucial to their…
AmniocentesisReproductionFetus