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Identical Twins in Utero: Pictures and Predictions

By Diana Stone |

Our identical boys at 17 weeks. Baby B is the bottom, A is the top.

This is how our boys look together. Isn’t it amazing? Seeing it happen live is even more so. They are mono-di, which means they are in different sacs but share the same placenta. You can hardly tell anything separates them however – the line between them is so thin and pliable.

I asked our tech to give me a printout, and was glad I did. In just a short while they’ll be too big to ever get together – unless maybe the 4D ones they switch to later might do it?

This was taken at our 17 week ultrasound. We got to see them move and bump into each other. This picture has Baby B at the bottom turned away from the wand while Baby A crashed his tiny head into his side.

They can feel each other and respond to stimuli now. My bladder had to be full initially, but this made them both go crazy so finally I had to – um – you know – so that they would calm down. And they instantly did. They also had a bit more room. :)

They would smack each other and themselves in the head, B’s foot and leg were always with A, never leaving him be for a clear shot. If it’s any indication of what’s to come, B will be a fiesty one while A is more mellow – but who knows. All I’m asking in regards to personality at first is that they both adore sleeping. A lot. Like their Mama.

I can wish, right?

If you have twins, identical or fraternal, I’d love to hear your ultrasound stories. And whether or not your guesses about their temperaments proved true down the road.


Diana blogs on more on raising a toddler daughter, a surprise twin pregnancy, being an Army wife, and her crazy life on the aptly named Hormonal Imbalances.

Smaller glimpses into her day are on Twitter as @lifeasaSAHM and Facebook.

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About Diana Stone


Diana Stone

Diana Stone blogs at Diana Wrote about her life with a daughter here and three sons in heaven, life as an army wife, and her faith. Smaller glimpses into her day are on Twitter, Facebook, and Instagram. Read bio and latest posts → Read Diana's latest posts →

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3 thoughts on “Identical Twins in Utero: Pictures and Predictions

  1. Anne-Marie says:

    That is just. so. cool. We saw our singleton this morning, and we’re totally in awe. I can’t imagine seeing the little one interact with a sibling in utero!

  2. Paula says:

    That is absolutely AMAZING. How incredible to see them interact in your belly!! What a bond!! Congratulations mama!!!

    Paula xx

  3. Sarah says:

    I have GGB triplets with girls being identicals and the boy of course fraternal. I had an ultrasound done every week except(sometimes more) for 2 weeks from 5 weeks untill delivery. It was so cool to see them grow. I was also very surprised when at 28 weeks I got a shot of all three of Three of there heads :) Their tempermetes are 100% just like the were in my belly as well. My littlest baby was a fighter on the inside and always kicking people and getting everyone angry. Not much has changed; she’s a toy snatching fool!
    Glad you found out they were identical! Are they the same size right now?

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