LAUSR

INTRODUCTION Extensive physiologic changes occur in the breasts during pregnancy and lactation. Additionally, several specific benign lesions are also common in pregnant and lactating patients. These changes and lesions have characteristic imaging appearances and findings. OBJECTIVE This article provides an image-rich educational review of typical and atypical benign imaging findings in pregnant and lactating patients. The discussion also includes basic imaging protocol considerations and explores management options. CONCLUSION An understanding of the typical and atypical imaging appearance of physiological changes and specific benign lesions occurring in pregnancy and lactation is essential for appropriate patient care and management.