Will we become extinct?

An acquaintance (incidentally, a former deputy minister of health) once told me a story from his postgraduate internship in obstetrics. Lo and behold, the orderly telephoned him and invited him to the delivery room: "come on Sir, a unique case, an old primary, 28 years old!". As we know, there are no miracles. A woman's body is most ready for pregnancy in the third decade of life, and ideally people start having children at this age. A...