Interstitial Ectopic Pregnancy in a 34-Year-Old Woman After Removal of Essure Microinserts and Reversal of Hysteroscopic Sterilization.

BACKGROUND Interstitial ectopic pregnancy, a pregnancy occurring in the part of the fallopian tube that is within the body of the uterus, poses a significant risk to patients, with a mortality rate of up to 2.5%, which is 7 times higher than for tubal ectopic pregnancies. Hysteroscopic sterilization reversal carries a potential risk of interstitial ectopic pregnancy; therefore, it is important to counsel patients appropriate and review the alternative option for in vitro fertilization.