So they don't look 90% black like the day 18 photos?? All black is good, it means a chick is filling up the space. Eggwhites are clear, chicks are not
If the eggs don't hatch the hen may just give up on them. Mine did.
If not, you may need to check up on the "how to break a broody" threads because she'll need to get back to eating normally after all this time.

If the eggs don't hatch the hen may just give up on them. Mine did.
If not, you may need to check up on the "how to break a broody" threads because she'll need to get back to eating normally after all this time.