At day 7 I would be expecting to see veining. Unfortunately I can’t see that in your eggs so I’m of the opinion that they are clear and nothing is developing. Here is a good article with pictures of development ~
https://www.backyardchickens.com/ar...ion-through-incubation-of-chicken-eggs.47879/
https://www.backyardchickens.com/ar...ion-through-incubation-of-chicken-eggs.47879/