| Parameters | Group consensus (as per the ESHRE guidelines, 2015) | 
|---|---|
| Particle counts | Grade A environment with a background of at least | 
| Microbial contamination | GMP Grade D | 
| VOCs filtration | 
VOC=Volatile organic compounds, GMP=Good manufacturing practices
| Parameters | Group consensus (as per the ESHRE guidelines, 2015) | 
|---|---|
| Particle counts | Grade A environment with a background of at least | 
| Microbial contamination | GMP Grade D | 
| VOCs filtration | 
VOC=Volatile organic compounds, GMP=Good manufacturing practices