Can you replace the question mark with a number?

After a woman gave birth to her baby, the Doctor stood solemnly beside her bed. "There is something I must tell you about your baby." "What's wrong," the alarmed mother asked? "Your baby is a hermaphrodite." "What's that?" "It means your baby has both male and female parts." "Oh my God, that's wonderful!", the mother said, "You mean it has a penis and a brain?"