Can I Get Pregnant?

A nursery two girl, asked her teacher, "Ma, can my Mum get pregnant?"

"The teacher asked, "How old is your mum?"

The girl said, "She is forty years old."

The teacher replied, "Yes, she can."

The girl asked again, "Can my sister get pregnant?"

The teacher asked, "How old is your sister?"

She replied, "She is nineteen years old."

The teacher replied, "Yes, she can."

She then finally asked, "Can I get pregnant?"

The teacher replied, "You are just five years old, so you can't get pregnant."

The boy behind him, her classmate, poked her and said, "I told u, we have nothing to worry about."