The Rarest Pregnancy you Never Heard of?

Can you get pregnant twice, during the same pregnancy? We know – sounds impossible. Well, imagine finding out months into your pregnancy that you are now going to be having twins: twins that are 3 weeks apart in age…? This episode brings you the story of one family’s incredibly rare journey through the little known world of superfetation!

Join us as we dig into the health headlines you already know and tell you more about the ones you don’t.


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Editing, and production assistance by Mack Britton

Logo design by Brad Hart

Music: Dark Whistle Triphop by Down 7 (thanks to Ritual


Washington Post – Woman gets pregnant while already pregnant

StatsCan Fertility Data 2012-2016

A review of the mechanisms and evidence for typical and atypical twinning 2016 research review article by McNamara HC, et al. in the American Journal of Obstetrics & Gynecology

Superfetation: case report and review of the literature 2008 case report by Pape A et al. in the Journal de Gynécologie et Obstétrique et Biologie de la Reproduction 

Unpredicted ovulations and conceptions during early pregnancy: an explanatory mechanism of human superfetation 2013 peer-reviewed article by Tarín JJ et al. in Reproduction: Fertility and Development

A critical inquiry regarding superfœtation, with cases 1865 research article by Bonnar GL in the Edinburgh Medical Journal.

Uterus duplex bicollis, vagina simplex, and superfetation. A 1927 research article by Moench GL in the American Journal of Obstetrics and Gynecology.

Toronto Notes [2018] Textbook by Marvasti TB et al.

Roberts Supertwins on Instagram


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