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mads.xsd"><authority><topic authority="http://www.r020.com.ar/eurovoc/">control de natalidad</topic></authority><related type="narrower"><topic>aborto</topic></related><related type="narrower"><topic>contracepción</topic></related><related type="narrower"><topic>esterilización</topic></related><related type="other"><topic>natalidad</topic></related><related type="other"><topic>política de natalidad</topic></related><related type="broader"><topic>planificación familiar</topic></related><variant type="other"><topic>espaciamiento de los nacimientos</topic></variant></mads>