Chances of Twinning: Genetics and Fertility Treatments

Do twins run in your family? As a twin parent, you’ve probably heard this question a million times. So, what are your chances of twinning, whether it’s through genetics or through the use of fertility treatments? Why are fraternal twins more common in families who have a history of twins? The conception of identical twins is supposed to be random, so how do we explain families with multiple sets? Today we’re breaking down your chances of twinning, and (for some parents) twinning again.

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Additional Resources

Featured Segments

  • Twin Headlines

    What are the top news headlines involving pregnancy and parenting of twins? What’s the big news twin parents are talking about around the watercooler? We’ll comb through all the articles and discuss the main issues impacting families of multiples.

  • We’re Expecting What?

    Your world changes the moment you find out you’re expecting twins. This is your chance to share that moment with the world! Were you completely in shock? Share your story by emailing us or send a voicemail straight through our website!


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