46a8a7cb_cyclopedia___Kaiser_Permanente_truths_about_becoming_pregnant_Myth
[Truth] If you have started your periods, you can get pregnant, even if your body is not mature enough to handle the stress of pregnancy. In fact, some girls ovulate a couple of weeks before their first-ever period. Girls age 10 or 11 are known to have become pregnant. [Myth] 
You can't get pregnant if you are very young.
Health-Encyclopedia - Kaiser Permanente