Women tend to put themselves last. The needs of friends and family come first. Is it selfish to make a change that impacts your loved ones?
If we follow the advice of the airlines, the answer is no. Put your oxygen mask on first and then help your child. If you put the mask on your child first, you may not have enough time to put your mask on. If you pass out, you are no good to your child.
It is not selfish at all. When we take care of ourselves first, we are stronger and more able to give to those that need us.