Helen Mar Kimball writes the social evils such as abortion aren't practiced in polygamous Utah.
Helen Mar Kimball Whitney, Why We Practice Plural Marriage (Salt Lake City: Juvenile Instructor Office, 1884), 27, 32
The plural marriage system practiced in this Church, and the motive which prompted the few who have accepted it, stand high compared with the loathsome vices practiced among the refined and intellectual ladies and gentlemen in the East-tern States, or any other States in the Union. Divorces and foeticide are already more common than marriages among them. Over six thousand women in the United States, it is stated by a clergyman who lectured at New Haven, "die every year from attempts to destroy unborn children." And even this does not reach the extent to which this crime is practiced among that class who profess Christian sanctity and are so horrified over the "much-married Mormons."
. . .
They might search in every village and hamlet throughout. Utah and the adjoining Territories and they could not find a parallel to this. Not even in the hardest days of our experience in pioneering a mountain wilderness, were there any scenes that could compare with this.