"If you marry off a girl at the age of 10, and she has a baby by 11 or 12, that is a child having a child; she is not ready. She doesn’t even understand what it is; physically, emotionally and psychologically she is not ready," said Professor Babatunde Oshotimehin, Executive Director United Nations Population Fund (UNFPA), recently at the News Agency of Nigeria (NAN) Forum in Abuja.