Diagnosing and Managing Breast Disease During Pregnancy and Lactation

, University of Iowa College of Medicine

In This Article


Fortunately, most new breast lesions or masses found during pregnancy or lactation will ultimately prove to be benign. Nevertheless, the clinician must be vigilant in excluding the possibility of cancer in any new lesion. When faced with a clinically suspicious lesion, the clinician should initiate a work-up that includes fine-needle aspiration or biopsy. It is crucial not to delay the work-up until after delivery. Evaluation and treatment of most pregnancy- and lactation-associated breast disease can proceed without significant risk to the fetus or infant.


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