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A 19-year-old woman (gravida 1, para 0) delivered a healthy, 3270-g female infant at 38 weeks' gestation. The pregnancy had been uncomplicated except for the death of a twin, which was noted during an ultrasound examination at 23 weeks. The placenta was delivered spontaneously as a single disk with a fetus papyraceus (or fetus compressus) attached to the membranes. The fetus papyraceus (Panel A) had a crownrump length of 7.5 cm, a measurement consistent with death at 13 weeks, and it contained visible ribs (black arrow), an eye (black arrowhead), a foot (white arrow), and a helical, trivascular umbilical cord . . . [Full Text of this Article] |