One of our flock (I wish I knew who it is) has been consistently laying double yolk eggs. I commend it for doing just that, but today, when I went to the nest box I found a 108 gram - yes that's 3 7/8 oz egg in the coop. I am new to keeping chicken. Is there any way this can be harmful for the poor hen? Is there anything I can/should do to regulate egg size?