I think most women go crazy trying to decide what to do. It's a painful experience to actually decide to have an abortion. So if she has come to the conclusion to abort, hopefully only a few weeks after conception, then I think she should.
After all, we are focusing a little too much on something that is little more than a cell from inside your cheek, rather than a 16-17 year old girl who still has high school and college to deal with...
Let's not forget about them guys.