first-trimester abortion

Induced Abortion and the Risk of Rh Sensitization A study involving 506 individuals undergoing induced first-trimester abortion found that almost all participants (99.8%) had fetal red blood cell counts below the threshold for Rh sensitization after the procedure. This suggests that Rh testing or immunoglobulin administration following induced first-trimester abortion is unnecessary. Horvath S, Huang Z, Koelper…