In the book, "Abortion in America" this time between 1840 and 1880 is referred to as “The Great Upsurge of Abortion,” and estimates are that at least 20 percent of pregnancies were ending in induced abortion during that time in history.
Another book, "The Great Crime of the Nineteenth Century," by Edmund Hale, claimed two-thirds of pregnancies during the mid-to-late 1800's ended in induced abortions.
PS: Believe it or not, the abortion rates in the United States are steadily declining according to a number of sources.
And, Roe vs Wade will probably never be overturned by the Supreme Court due to a long list of Constitutional and Common Law grounds. But if we are successful in transforming the hearts of people around us, it won't matter what laws are on the books.