A 34-year-old woman comes to the clinic because of left ...

Another dose of methotrexate on day 4 of therapy if blood levels of hCG have not fallen by 15% (choice A) is incorrect. Levels are routinely checked on day 4 and day 7 of treatment, not 3 and 7 (choice B). If methotrexate therapy is found to have failed by day 7 of therapy another dose … ................
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