| ACHA | auto-crosslinked hyaluronic acid |
| CI | confidence interval |
| D&C | dilation and curettage |
| IUA | intrauterine adhesion or intrauterine adhesions |
| NaCMC | sodium carboxymethylcellulose |
| OR | odds ratio |
| PEO | polyethylene oxide |
| PRISMA | Preferred Reporting Items for Systematic reviews and Meta-analyses |
| RCTs | randomized controlled trials |
| RR | relative risk |
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