Low Dose Rhesus Immunoprophylaxis after Early Induced Abortions

Abstract
A dose of 50 μg anti-D immunoglobulin was administered as rhesus immunoprophylaxis following induced abortion performed by suction curettage before the thirteenth week of pregnancy in 463 consecutive patients. A feto-maternal blood loss of less than 2 ml was detected in 44 women (12%). After 6 months, a follow-up of 381 patients (82%) established that none of these patients was rhesus immunized with in vitro demonstrable antibodies. It is concluded that the low dose of anti-D administered is to be recommended for rhesus immunoprophylaxis after first trimester abortion.

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