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Above: "Pregnancy tissue" at 7 & 9 weeks. These are the amniotic sacs with the embryos removed.
Below: R: Embryo at 9 weeks, L: Fetus at 11 weeks, inside the sacs. These photos were taken in the mid-1960s and have been reprinted in @guardian many times. https://t.co/BKl5UKbFjt