Society of Family Planning committee consensus on Rh testing in early pregnancy

Sarah Horvath, Vinita Goyal, Sarah Traxler, Sarah Prager

Research output: Contribution to journalReview articlepeer-review

13 Scopus citations

Abstract

Historical evidence that fetal red blood cell (RBC) exposure during early spontaneous or induced abortion can cause maternal Rh sensitization is limited. A close reading of these studies indicates that forgoing Rh immunoglobulin administration before 12weeks gestation is highly unlikely to increase risk of Rh (D) antibody development, and recent studies indicate that fetal RBC exposure during aspiration abortion <12 weeks gestation is below the calculated threshold to cause maternal Rh sensitization, and the amount of fetomaternal hemorrhage during dilation and evacuation procedures up to 18weeks gestation is adequately treated with 100mcg of Rh immunoglobulin. We provide updated recommendations for Rh immunoglobulin administration based on this new evidence.

Original languageEnglish (US)
Pages (from-to)1-5
Number of pages5
JournalContraception
Volume114
DOIs
StatePublished - Oct 2022

All Science Journal Classification (ASJC) codes

  • Reproductive Medicine
  • Obstetrics and Gynecology

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