Why you fight with each other? People having different openion does not mean that they start fighting. You both are a couple not enemies.
You have to do introspection. First of all think that what are the incidents when you both had a fight. Can those be avoided by yourself.
With this exercise you will know your week-points. Most of the time we start looking other people negatives and forget ourself.
Try to ignore your husband wrong things and get rid of anger. Meditation will help you.
It has been observed that rude behaviour, short-tempering and fight create bad impression in kids. So keep these things in your mind that you are in the process of nurturing a kid.