A few years ago, I spoke with a young man preparing to get married. His aunt told him that she thought he and his fiancée were too financially-strapped to have a child, and that it wouldn’t be fair to bring up a baby in poverty. Keenly aware of his joblessness and his minuscule bank account, he concluded she was probably right. The young man and his fiancée were ready to tie the knot in a few months and they expected that she would be at the infertile phase of her cycle around the time of their honeymoon, so they would...