A postpartum woman，who does not want to have children，wants to use an IUD for contraception，complications should be informed except

A postpartum woman，who does not want to have children，wants to use an IUD for contraception，complications should be informed except
A.Infections
B.Perforation of the uterus
C.Ectopic (异位的) IUDs
D.Hematomas（血肿）
正确答案：Hematomas（血肿）