Ovarian cancer is the second most common gynecologic cancer worldwide and the six most common cancer among females. Germ cell tumorbs are the most common ovarian neoplasm in the first two decades of life constituting approximately two-thirds of all ovarian tumors. Malignant germ cell tumors constitute one-third of germ cell origin tutors and two-thirds of all ovarian malignancy in this age-group. This paper presents a case of a 19 year-old nulligravid who presented at the emergency room with abdominal pain, and was intraoperatively diagnosed with yolk sac tutor of the right ovary, stage 1A mature cystic teratoma of the left ovary. She subsequently underwent unilateral salpingooophorectomy and contralateral oophorocystectomy, left. Patient is advised chemotherapy postoperatively, with Bleomycin, Etoposide and Paclitaxel. This paper discusses the incidence, risk factors, prognosis and management of yolk of sac tutor in a young nulligravid.