Located in Yokaichiba, Sosa City, Chiba Prefecture, Masuda Obstetrics and Gynecology is a clinic specializing in obstetric and gynecological care. In addition to pregnancy-related treatments, the clinic provides care for gynecological conditions. The clinic offers English support and accepts credit cards and electronic payments. Parking facilities are available, making it convenient for patients arriving by car. As of February 2026, the online booking system is scheduled to resume, with changes to reception hours for appointments.