The endometrium is the innermost layer of the uterus that contains the lining which is responsible for accepting and nourishing a fetus during the pregnancy process. The lining of this cavity changes with every monthly cycle in response to the primary female hormones produced by the ovaries: estrogen and progesterone.
If one parent is more stable than the other, judges can decide to award primary custody to that parent. As a result, parental fitness is often a mechanism used in custody battles. Each state has its own set of rules regarding what makes a parent unfit.
I know FOR A FACT that in Georgia, a child of 14 CAN choose and their choice IS CONTROLLING unless the parent of choice can be deemed UNFIT by the court. I do have an attorney, Tom Camp of Athens, Ga, and my daughter just signed the papers to submit to the judge.