DEAR ABBY: My brother- and sister-in-law were trying to have a baby using artificial insemination. A few months into the very difficult pregnancy, they were told the baby had many life-threatening defects and asked if they wanted to terminate because the baby had little, if any, chance of surviving. They chose to carry the baby to natural birth. A month or so before she was due, she went into labor. The baby lived for only a few hours. They had a funeral, and it was a very sad event. A month later, on the due date, they started organizing a birthday ...