Paucis Verbis: Methotrexate for ectopic pregnancy

Nov 11, 11
Paucis Verbis: Methotrexate for ectopic pregnancy

Ectopic pregnancy methotrexate

Ectopic pregnancies account for as many as 18% of patients who present with first-trimester bleeding or abdominal pain in the Emergency Department. This Paucis Verbis card summarizes the 2008 American College of Obstetricians and Gynecologists (ACOG) guidelines on the use of methotrexate (MTX) for ectopic pregnancies. Not all ectopic pregnancies require operative management.

What are the indications and contraindications to MTX? When should they follow up with their obstetrician?

Answer: In 4 days for a repeat b-HCG and possible second dose of MTX

Note that one of the eligibility criteria is that the patient must have an “unruptured ectopic pregnancy”. Many would consider that any ultrasonographic evidence of free fluid may be a sign of an early rupture. It is left up to clinician judgment in how “unruptured” is interpreted.

PV Card: Methotrexate for Ectopic Pregnancy

Adapted from [1]
Go to ALiEM (PV) Cards for more resources.


  1. ACOG Practice Bulletin No. 94: Medical Management of Ectopic Pregnancy. Obstetrics & Gynecology. 2008;111(6):1479-1485. doi: 10.1097/aog.0b013e31817d201e

Author information

Michelle Lin, MD

ALiEM Founder and CEO
Professor and Digital Innovation Lab Director
Department of Emergency Medicine
University of California, San Francisco

The post Paucis Verbis: Methotrexate for ectopic pregnancy appeared first on ALiEM.

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