Is hyaluronic acid really ineffective?

Is hyaluronic acid really ineffective?
Asherman syndrome (AS) is a condition defined by the presence of intrauterine adhesions (IUAs) resulting when the bona fide endometrium is replaced by fibrotic tissues, causing the uterine walls to adhere to one another and causing symptoms such as infertility, recurrent miscarriage, menstrual abnormalities, pelvic pain, and abnormal placentation. A successful treatment for AS requires a comprehensive approach and prevention seems to be paramount and starts by optimizing the diagnostic strategy (1–3).
Source: fertstert.org