They're about the same.
no
Yes, the O plus boy can marry an O negative girl though there will be a high risk of miscarriage.
Sure o is a boy well it looks like a boy and you have a feeling its a boy and if your a girl than you still think its a boy!
Niño o niña.
You'll be fine.
Blood type?
no
Boy or girl
If you mean boy and girl, the young ones who haven't reached their reproductive maturity, they cannot have a baby. Otherwise, yes they can have a baby.
Yes
Blood type?
yes