Nurse midwife Danielle Kraessig seen meeting with Yakini Branch at the PCC South Family Health Center in Berwyn, Ill., in early 2013. While the federal law requires insurers to cover maternity services, birthing centers and midwifery services aren't always included. M. Spencer Green/AP hide caption

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Up till now, all babies have had two genetic parents. That could soon change. Klöpper & Eisenschmidt GbR/iStockphoto hide caption

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Governor Deval Patrick of Massachusetts signed the law enacting the state's latest phase of health care on August 6, 2012. Eric Haynes/Governor Deval Patrick's Office hide caption

itoggle caption Eric Haynes/Governor Deval Patrick's Office

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

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Playing outside can help kids — and their parents — maintain a healthy weight. iStockphoto hide caption

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We know it's not really about Mr. Stork. But we might not be up to speed on key aspects of conception. Jens Bonnke/ImageZoo/Corbis hide caption

itoggle caption Jens Bonnke/ImageZoo/Corbis

Choose wisely: What Mom eats during pregnancy can set the stage for obesity in her baby. Meg Vogel/NPR hide caption

itoggle caption Meg Vogel/NPR

Before you get too far along, you should get a blood test for diabetes. Emiliano Rodriguez/iStockphoto hide caption

itoggle caption Emiliano Rodriguez/iStockphoto

In a study of 4,000 pregnant women, fish accounted for only 7 percent of blood mercury levels. JackF/iStockphoto.com hide caption

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