There are better ways to reduce stress in your life that don't involve food. I know things may be difficult or overwhelming, but turning to food isn't going to make things any better. Here's a great Spark article you might want to read. It has some really good techniques that will help you avoid food when stressed out. www.sparkpeople.com/resource/wellness_arti
I'm a firm believer that stress is a neglected aspect of weight gain. if a person could reduce their stress, they'd automatically reduce their waistline.
Exercise can also help a person reduce stress too. But, you don't want to over do it. You don't have to kill yourself in the gym to be healthy. All things in moderation. Because you're under stress, now is the most important time to take care of your body. If you eat crap, you're going to feel like crap. That's why you need to do your best to eat wholesome foods that nourish your body.
If you're stressed out, take a walk. have a cup of tea. listing to some of your favorite music. Stay away from the kitchen.