The identification of a pelvic mass during pregnancy can often change a time of happiness and exciting anticipation to 1 of anxiety and fearful unknown. Although diagnosed more commonly with the implementation of ultrasonography as part of routine prenatal care, discovering an adnexal mass during pregnancy remains a rare event. Fortunately, the majority of masses are benign and rarely negatively impact pregnancy outcomes; however, no specific protocols exist for the appropriate management of these women. This study will review the most current incidence, management, and outcomes for women diagnosed with an adnexal mass during pregnancy.