Results of the causes of RSA, the first is the genital abnormalities(20.2%), the second is infectious factors (10.6%), incompatibility of ABO blood type (9.1%) and endocrinologic causes (7.2%), etc.

• 结果在病因明确的反复自然流产中，解剖学因素占首位(20．2%25)，其次为感染性因素(10．6%25)，ABO血型不合(9．1%25)及内分泌因素(7．2%25)等。