2116b2fa_cyclopedia___Kaiser_Permanente_truths_about_becoming_pregnant_Truth
[Myth] You can't get pregnant if you are very young. [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.
Health-Encyclopedia - Kaiser Permanente
Truth