Some articles you might be interested in reading...
Aggregation protects flexible shelled eggs from severe hydric stress...
https://digital.csic.es/bitstream/10261/47340/3/jcomp.doc.txt
Egg monitor...in bird eggs the heart beats a certain number of times before the egg hatches if I remember rightly...so far I don't think it's true for chameleons....
https://www.madcham.de/en/nutzung-eines-egg-monitor/
Aggregation protects flexible shelled eggs from severe hydric stress...
https://digital.csic.es/bitstream/10261/47340/3/jcomp.doc.txt
Egg monitor...in bird eggs the heart beats a certain number of times before the egg hatches if I remember rightly...so far I don't think it's true for chameleons....
https://www.madcham.de/en/nutzung-eines-egg-monitor/