Most people think that the time to revise their estate plan, including their health care proxy and living will is when a big change occurs: marriage, birth of a child, divorce, etc. However, as Shelly Mactyre, of The Fig Tree points out, you may wish to change your living will or health care directive when you become pregnant to reflect any changes in your desire for extraordinary measures due to your pregnancy.
Shelly decided that she wanted to be kept alive until the baby was viable. Have you thought about if you want to change your plans? And more importantly, have you told the person who would have to make this decision if you were unable?