<http://schema.org/alternativeHeadline>
"IVF embryos that spend long periods in culture are at increased risk for being born large for gestational age, a new study suggests."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/family/babies-pregnancy/stories/in-vitro-fertilization-method-may-influence-size-of-babies>