Updating fetal foot length to gestational age references: a chart review of abortion cases from 2012 to 2014

Advances in abortion care technology and management

PURPOSE OF REVIEW

To review emerging evidence specific to abortion care, including diagnostic testing and pain management.

RECENT FINDINGS

Recent advances in abortion care include improvements in gestational age dating, Rh status testing, and pain management methods. When ultrasound technology is available, the use of crown-rump length (CRL)-based dating is more accurate up to 13 weeks and composite CRL and biometry between 13 and 14 weeks. Evidence supports using updated fetal foot length-to-gestational age reference ranges for postprocedure gestational age confirmation. Serum tests for two placental proteins, pregnancy-associated plasma protein A and a disintegrin and metalloproteinase 12, show potential for identifying pregnancies with gestational age more than 70 days. Early research using flow cytometry demonstrates that fetal RBC exposure after first-trimester uterine aspiration is insufficient to cause maternal Rh-sensitization, supporting elimination of Rh testing and anti-D-immunoglobulin provision prior to 8 weeks gestation. Recent studies exploring pain management strategies have not generated a standardized approach. Auricular acupuncture appears to be promising.

SUMMARY

Emerging data on improvements in gestational age dating and eliminating laboratory testing prior to early abortion procedures could have important implications for expanding access to early abortion care and telemedicine. Person-centered, novel pain management modalities, such as auricular acupuncture, help to improve client experience, by addressing both pain and anxiety.