Even though delivering a fetus is often dangerous and sickening, it is sometimes necessary to preserve the physical health of the mother. There are some birth defects that are not discovered until the third trimester, which would put an abortion out of the question. Partial birth abortions allow a baby who would not have a good quality of life another alternative.
Taking away choice is never beneficial. History shows us that people will react in only negative ways. Even in instances like this where there are people who have very strong opinions for both sides of the argument, it will always leave somebody out. Every law passed takes away a piece of our freedom.