Alpha-interferon and pregnancy in a patient with CML.

A 34-year-old woman on interferon for CML for 7 years, experienced problems with conception. Full work-up revealed a short luteal phase and therapy with clomiphene was initiated. Pregnancy occurred and a normal infant was delivered by C-section. The detailed infertility evaluation is described and the impact of interferon therapy on pregnancy is reviewed. Successful pregnancy appears possible in woman taking interferon on a chronic basis.