Longer distance between umbilical cord insertions is associated with spontaneous twin anemia polycythemia sequence.
Xueju WangLuyao LiYangyu ZhaoYuan WeiPengbo YuanPublished in: Acta obstetricia et gynecologica Scandinavica (2020)
In spontaneous twin anemia polycythemia sequence placentas, the number of superficial vascular anastomoses is lower, their diameter is smaller and the distance between the two umbilical cord insertion points is longer.