1. The pull-out method is not a method, it can get you pregnant.
2. You can get pregnant anytime of the month, you never know when you are actually ovulating
3. Sperm do not die immediately on contact with the air
4. You can get pregnant during the 1st time
5. You can get pregnant from pre-ejaculate,
6. Stressing can make your period late, even if you are not pregnant.
7. The only way to know if you are pregnant for sure is to take a test. You can not find out by looking at your symptoms. Test.
oh and if you dont want a kid then its simple solution...GET ON BIRTH CONTROL