Can I put 4 eggs that are on day 17 under my broody? HELP!!

[kyeschicks]

I have a question..... my friend came to my house and she gave me 4 standard eggs because her bator broke and they were on day 17 and she asked me if I could put them under my broody and I said yes. My broody is not done hatching (she only needs one more egg to hatch) and I was just wondering if it was ok to put some 17 day old eggs in there?

 

[KellyHM]

You can put them under her, but if her chicks are already hatching then she probably won't sit long enough to hatch them.