Ovarian tumors during pregnancy are very rare; however, a cancer diagnosis causes distress to the couple. Reassurance is paramount, and the first consideration should be given to the safety of the mother. If both mother and fetus can be preserved, treatment to minimize the risks to both should be planned accordingly. It is imperative to care for the patient with a multidisciplinary team that includes a high-risk obstetrician, a gynecologic oncologist, and a medical oncologist specialized in gynecologic cancers.