Tuesday, South Dakotans will once again go to the polls to vote on a proposed abortion ban. In 2006, a ban on nearly all abortions was voted down by 12 percentage points. This year the vote is expected to be much closer. That's because Initiated Measure 11 includes exceptions for rape, incest and if the mother's health is at a substantial and irreversible risk.

That health exception has been at the center of debate throughout the past few weeks and it could ultimately decide the vote. Two women with personal stakes in the debate explain why they've taken sides on Measure 11.

Many volunteers have made their voices heard on both sides of the abortion debate, but for Rachel Rieman and Tiffany Campbell, their passion for and against Measure 11 goes much deeper than signs on street corners.

Shortly after Rachel Rieman got pregnant at the age of 19, doctors could see her daughter was missing the top part of her brain. It's one of many cases referred to as a Fatal Fetal Anomaly.

Rachel Rieman says, "They told me her condition was incompatible with life and that I should terminate the pregnancy."

Instead, Rachel decided to go through with her pregnancy and, despite her doctors predictions, her daughter lived outside the womb for 32 days.

Under Measure 11, women facing similar situations would be required to go through with their pregnancy. Rachel says she's proof that is a good thing.

Rachel Rieman says, "That child may die either way, but you never know if you end it in termination, what's really going to happen. what you missed out on."

Tiffany Campbell has been the face of a television campaign against Measure 11 saying the ban would have prevented her from making a difficult choice.

Tiffany Campbell says, "We had 24 hours to decide if we'd end one boy's life to save the other."

Tiffany's case, which involves Twin to Twin Transfusion Syndrome, has been scrutinized by doctors supporting Measure 11, who say she had other options. Tiffany says she only had one choice to ensure either son survived.

Tiffany Campbell says, "I know I played a role in my son's death. I live with that every single day. But then I also look at Brady and I see why I had to do it."

Even on the side streets across the state it's easy to see how heated this debate is, even between neighbors, but both women say that won't stop them from campaigning until election day, even when their passions intersect at the same street corner.

Rachel Rieman says, "We just want people to know that we're here to help save babies and protect women from abortion."

Tiffany Campbell says, "My child would not be here if Measure 11 was in place two years ago."

Recent voter polls indicate an even split between those for and against Measure 11.