Kids jokes-Can my Momma get pregnant?

In a second grade class, Suzy asks "Teacher, can my momma get pregnant?"

The teacher asks, "How old is your mother?"

Suzy says " Forty." The teacher says, "Yes, Your mother could get pregnant."

Suzy asks, "Can my big sister get pregnant?"

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

Suzy answers "Nineteen."

The teacher says "Oh my yes, your sister certainly could get pregnant."

Suzy asks, "Can I get pregnant?"

The teacher asks, "How old are you?"

Suzy says, "I'm seven years old."

The teacher says, "No, you can't get pregnant."

Little Johnny gives her a poke and says "See, I told you we had nothing to worry about."