She should be working with a male that joins her temporarily in a T position. The eggs are fertilized before they are placed. Beware, my knowledge about this is all book knowledge. I have been researching to breed but have never done it myself.
Seeing as they are beige it sounds to me like they are fertile. In a day or 2 you should notice a darkness in each egg. That's the fry developing. Depending on your species and water temperature they may hatch in 3-5 days.
I'm sure you know,
but any that develop black dots with eggs that have no white dots seperate else fungus will develop,
I had to to mine but porbably damaged a few sacks doing so