University of Notre Dame contends that the act of signing a form opting out of the Affordable Care Act's birth control mandate makes the school complicit in providing coverage. Getty Images hide caption

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Participants sing during a wedding ceremony at Bole Medhane Alem (Savior of the World) Cathedral in Addis Ababa, Ethiopia. It's Africa's largest Orthodox church, and its message on contraceptive devices is clear: not permitted. Allison Shelley for NPR hide caption

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"This is the last one," says Yassin Diouf, 40, holding her youngest child. "God help me to stop here." She has given birth 10 times; six of the children have survived. She and her family live in the village of Mereto in Senegal. "Maybe [family planning] is forbidden by Islam, but women are so tired of giving birth. If you have the permission of your husband, I think it's good." Allison Shelley for NPR hide caption

itoggle caption Allison Shelley for NPR

The history of how the birth control pill was developed in the 1950s is recounted in Jonathan Eig's new book The Birth of the Pill. iStockphoto.com hide caption

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Exercise helps lower stroke risk, but birth control pills and pregnancy can be problematic for younger women. iStockphoto hide caption

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Insurers still charge copays for some contraceptives. Laura Garca/iStockphoto hide caption

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Estrogen affects cells in the eye's retina, which may help explain a possible link between glaucoma and estrogen levels. iStockphoto.com hide caption

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The Plan B One-Step morning-after pill will now be available to women as young as 15 without a prescription, and will have another three years of protection from generic competition. AP hide caption

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Baltimore Archbishop William Lori gave voice to a letter Catholic groups sent to the administration and Congress to protest insurance rules for contraceptives. Patrick Semansky/AP hide caption

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