One such social consequence, of course, was pregnancy and single motherhood for young women, threatening them with a lifetime of poverty. The study said the danger of such privation was very real for "adolescent women who are usually not able to support themselves, let alone any children they might have."
Another study from the Guttmacher Institute found clear evidence that sex outside marriage also increased a woman's risk of acquiring a sexually transmitted disease (STD). That elevated risk applied whether a sexually active woman had never been married, was married before but now was single, or living with a man outside marriage.
According to The Family in America, New Research, "just as taking up smoking has given today's liberated women lung cancer and heart disease, so indulging in fornication has infected many with disease and stranded many in poverty."