Oak Sumiyoshi Obstetrics and Gynecology, located in Nishinari-ku, Osaka City, Osaka Prefecture, is a medical facility focused on reproductive medicine. In vitro fertilization is performed with a completely tailored approach, offering a comprehensive menu of all tests and treatments. The clinic provides egg freezing for unmarried women, as well as timing method therapy, artificial insemination, and sex selection services, with visits recommended for couples. As specialized outpatient services, endometriosis and fetal diagnosis clinics are available, addressing symptoms such as menstrual pain and lower abdominal pain, conditions causing infertility, and confirmation of fetal health through prenatal testing. Genetic counseling is also offered, providing comprehensive support that extends beyond the field of reproductive medicine. Online medical consultations have been introduced, allowing doctors to provide thorough explanations with ample time beyond what is possible during regular outpatient visits. Explanations regarding insurance coverage and advanced medical treatments are also provided. Payment options include credit cards, debit cards, and electronic payments, and parking is available. Free online seminars and counseling sessions are conducted, with a support system in place featuring nurses and embryologists.