Therapeutic outcomes of methotrexate injection in unruptured interstitial pregnancy.

Objective: To examine the therapeutic outcomes of methotrexate (MTX) in the treatment of unruptured interstitial pregnancy.

Methods: We reviewed the medical records of patients who were diagnosed with interstitial pregnancy and received MTX as first-line treatment between January 2003 and July 2014 at CHA Gangnam Medical Center. The treatment success rates and subsequent pregnancy outcomes were examined.