I recommend Jamsil Jayoon Oriental Medical Clinic.

Jamsil Jayoon Oriental Medical Clinic specializes in postpartum care for women preparing for pregnancy or after giving birth, including postpartum tonics, ovarian strengthening, and postpartum wind relief. They're particularly renowned for their excellent postpartum tonics. Upon arrival, patients undergo a thorough examination and individual consultation to assess their physical condition. They then formulate effective medications for postpartum swelling, joint pain, and other conditions. The examinations, which utilize a variety of equipment and consultations, take over an hour, making them highly reliable. For postpartum health care, Jamsil Jayoon Oriental Medical Clinic is the best.