“…A PubMed search using the index words ‘labial adhesion’ or ‘labial fusion’ yielded 26 such cases, with reproductive age tentatively defined as 15–50 years of age 3–26 . In 22 of these 26 cases, the etiological factors were confirmed or speculated as perineal injuries after vaginal delivery (11 cases), 7–16 genital herpes infection (eight cases), 17–23 female circumcision (two cases), 24,25 and genital graft‐versus‐host disease after hemopoietic stem cell transplantation (one case) 26 . In the remaining four cases, 3–6 the causes were unclear (Table 1).…”