Women who tend to prefer penile-vaginal intercourse over other types of sex also say the same, it said.

“Male anxiety about penis size may not reflect internalized, culturally arbitrary masculine stereotypes, but an accurate appreciation that size matters to many women — just as men feel legitimate anxiety when they enter the mating market about their intelligence, personality traits, sense of humor, social status, height, wealth, and other traits known to be favored by women across cultures,” the Huffington Post quoted study researcher Stuart Brody, a psychologist at the University of the West of Scotland, as telling LiveScience.