Conservative and progressive religious groups fiercely disagree about issues of sex and gender. But how did we get here? Melissa J. Wilde shows how today’s modern divisions began in the 1930s in the public battles over birth control and not for the reasons we might expect. By examining thirty of America’s most prominent religious groups—from Mormons to Methodists, Southern Baptists to Seventh Day Adventists, and many others—Wilde contends that fights over...