The first nationwide website survey of the availability and costs of medical and non-medical oocyte cryopreservation in Japan.

Research Question: How does the cost-related oocyte cryopreservation (OoC) vary by the facility in Japan, and what data is provided on the websites about OoC procedures?

Design: Website survey. The websites of all 621 facilities that provide assistive reproductive technology registered in Japan were surveyed in 2021. Data included the rates of explicit statements regarding the provision of OoC for only medical reasons (medical only group) or non-medical reasons (non-medical group).

A case of ovarian mucinous cystadenoma in a child that recurred 1 year after surgery.

Introduction And Importance: In children, mature cystic teratomas are the most common ovarian tumors. Mucinous cystadenomas are rarely seen. Further, the recurrence of mucinous cystadenomas is very rare.