Lawler's Rule

Couples have an increasing amount of control over the number and attributes of their children. Advances in science and technology have created these options which, since the pace of change has been fairly slow, the public has overlooked. Taken cumulatively, these changes are starting to comprise a much larger shift towards allowing parents total control over their offspring's characteristics. Consider that forty years ago, couples had little ability to control the timing or number of children. Now, couples are able to screen for genetic defects (and abort if they choose) and choose the sex of their child. I don't doubt that in a few more years, further choice will be possible but will it be advisable?