In a compromise, President Obama proposed to allow religious universities and charities offer birth control coverage through their own health insurers. iStockphoto.com hide caption

itoggle caption iStockphoto.com

President Obama, flanked by Health and Human Services Secretary Kathleen Sebelius, announces the revamp of the contraception-care policy on Friday. Pablo Martinez Monsivais/AP hide caption

itoggle caption Pablo Martinez Monsivais/AP

In 2002, state lawmakers in Massachusetts approved legislation requiring most employers to provide contraceptive coverage to their employees. One of the groups pushing for the law was the Coalition for Choice, led by Melissa Kogut (center). Lawrence Jackson/AP hide caption

itoggle caption Lawrence Jackson/AP

House Speaker John Boehner says Congress will intervene if President Obama doesn't reconsider a decision to compel church-affiliated employers to cover birth control in their health care plans. Pete Marovich/Getty Images hide caption

itoggle caption Pete Marovich/Getty Images

Plan B is available over the counter for people 17 and older. AP hide caption

itoggle caption AP

Many over-the-counter contraceptives contain a spermicide known as nonoxynol-9. Gretchen Cuda Kroen/For NPR hide caption

itoggle caption Gretchen Cuda Kroen/For NPR

Although various types of contraceptive methods are available in Nigeria, about 20 percent of women say they're not able to access them. Sometimes their husbands stand in the way. GEORGE OSODI/ASSOCIATED PRESS hide caption

itoggle caption GEORGE OSODI/ASSOCIATED PRESS