저자들은 임신중반기에 3차례의 태아수종으로 자궁내 태아사망을 경험한 임부의 4번째 임신에서 IgG anti-M이 이 임부의 연속적인 태아수종의 원인임을 알게되어 이를 문헌고찰과 함께 보고하는 바이다.

Erythroblastosis fetalis resulting from anti-M antibody seems to be and extremly rare phenomenon. Generally, anti-M is regarded as a naturally occurring cold agglutinin. However, there have been several reports of the presence of anti-M, which was of IgG class and caused incompatibility between mother and child. Cases of neonatal anemia and intrauterine death have also been reported. We have experienced a case of anti-M antibody as a cause of intrauterine death and reported that with a brief review of related literatures.