Comparison of the effect of single-dose and multiple-dose methotrexate therapy on tubal patency.

Objective: To compare tubal patency by using hysterosalpingography (HSG) in women with unruptured ectopic tubal pregnancy who were treated with either single-dose or multiple-dose methotrexate (MTX) regimen.

Design: A case series with a retrospective statistical analysis.

Setting: Maternity and teaching hospital in Turkey.