These days women are more prone to harassment and there are times when no matter
how much you try to stay away from violent situations, it still does occur. Learning self defense for woman is probably the best way to stay safe and to be prepared to defend yourself at any time. However, you have to take note that your first goal should be to avoid fighting and it is best to search out a place to escape to especially if you're outnumbered.
When someone threatens you or challenge you for a fight, try to talk with the guy first and see if you can calm him down. Apologize if needed and don't let your ego get in the way of apologizing for something that you didn't do. While doing this, maintain a confident body language and start to leave the scene by walking away backwards to make sure that your opponent will not attack you from behind; always be aware of your environment and be especially alert for objects that you can use for weapons.
If the bad guy is still threatening you and you have nowhere else to go, it is best to take on a stable fighting stance. This is very important on how to win in a street fight or any violent threat. Your stance should be shoulder width apart, this way you will be able to maintain your balance and avoid ending up on the ground. You have to keep your hands up in order to protect your face and clench your teeth.
Don't be afraid to fight dirty because you have to defend yourself from violent and unjustified aggression. Use any object that you can use as a weapon, it can be anything like a chair, a bottle or a 2x4.
Here are some other techniques on self defense for woman or any other individual under violent circumstances: knee to the groin, well for obvious reason. A solid kick to your opponent's knee or abdomen can injure him long enough for you to escape. Head butting your attacker hard on his nose can do serious damage. After incapacitating your attacker by using these techniques it is best to make your escape.