A case report of a patient with dysgerminoma treated by unilateral salphingo‐oophorectomy is presented, A term pregnancy occurred with spontaneous delivery of a normal infant. A year later she delivered her second baby. No tumour recurrences occured.The literature on dysgerminoma in pregnancy is reviewed.It is suggested that unilateral oophorectomy is the treatment of choice in a young woman who desires to have a family and in whom a unilateral,.well‐encapsulated tumour is found. If such a conservative line is adopted, then a regular follow‐up is mand