PMC539248_01
Gross post-delivery image of dichorionic-diamnionic placenta showing sites of umbilical cord insertions (*). The placenta associated with the nonviable 19-week spontaneous abortion (A) demonstrates atrophy, in contrast with normal placenta from the aftercoming liveborn twin (B).
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F1
Apgar 9 and 9, respectively) over an intact perineum. Approximately 5 min later, two placentas were delivered spontaneously (Figure 1).