Oasis Ladies Clinic is a specialized obstetrics and gynecology clinic located on the 4th floor of Yamahana Medical Building in Minami 22-jo, Chuo-ku, Sapporo, near the Ishiyamadori-mae streetcar stop, established in 2007. Director Dr. Masateru Takehara graduated from Sapporo Medical University School of Medicine and founded the clinic after serving at Kitami Red Cross Hospital and as a lecturer at Sapporo Medical University, providing comprehensive healthcare for women's health. The clinic offers a wide range of services including general gynecology, gynecological cancer screenings such as cervical and ovarian cancer screening, hormone replacement therapy and Kampo medicine for menopausal syndrome, contraceptive counseling, and treatment of sexually transmitted infections. For obstetrics, the clinic provides pregnancy diagnosis and prenatal checkups, with referrals to hospitals of choice for delivery. A distinctive feature of the clinic is its commitment to creating an accessible consultation environment by not necessarily requiring internal examinations, allowing patients to receive care in a comfortable and relaxing atmosphere. English support is available, and the clinic accepts credit cards and electronic payments, with parking facilities provided. Minor surgical procedures such as Bartholin's cyst surgery and vulvar benign tumor excision are performed on-site, and the clinic is equipped to provide comprehensive support for women's health including anti-aging care.