breeding crayfish

my crayfish is preagnant... I have removed the name I can see the babies eyes so how many more days should I expect till the showdown??And what precautions should I take?? Plz help and support

Hi everyone, I would like to know if anyone can give me a good idea of what it looks like for a male crayfish form.. clear pictures perhaps. Or a better explanation.. all I find online is a picture I don’t really understand. Thank you for your help. Elenor