If people want to choose their baby's sex before pregnancy, should doctors help?
Some parents would love the chance to decide, while others wouldn't dream of meddling with nature. The medical world is also divided. Professional groups say sex selection is allowable in certain situations, but differ as to which ones. Meanwhile, it's not illegal, and some doctors are already cashing in on the demand.
There are several ways to pick a baby's sex before a woman becomes pregnant, or at least to shift the odds. Most of the procedures were originally developed to treat infertility or prevent genetic diseases.
The most reliable method is not easy or cheap. It requires in vitro fertilization, in which doctors prescribe drugs to stimulate the mother's ovaries, perform surgery to collect her eggs, fertilize them in the laboratory and then insert the embryos into her uterus.
Before the embryos are placed in the womb, some doctors will test for sex and, if there are enough embryos, let the parents decide whether to insert exclusively male or female ones. Pregnancy is not guaranteed, and...