Is the Rise in Twin Births Cresting?

• Autores: Katie Peek
• Localización: Scientific American, ISSN 0036-8733, Vol. 315, Nº. 6, 2016, págs. 88-88
• Idioma: inglés
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• Resumen

  • The article presents several charts concerning the number of twin births in humans from 1900 through 2016, the number of triplets and other multiple births in the Untied States from 1970 through 2016, and the impact of increased maternal age and fertility treatments for twins in the U.S.