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Here's what it means to have di-di twins
Di-di twins are like roommates with their own room and fridge. They each have their own placenta and amniotic sac – and ...
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Mono-di twins: How they develop and what to expect
Mono-di twins share a placenta, which means they need extra monitoring to make sure they're getting enough nutrients and ...
The Sun21d
I’m a MoMo twin – it’s the rarest in the world, if we split any later we’d be conjoined, & I have different colour eyes
Therefore, boy/girl twins are always fraternal (or dizygotic), as their chromosomes are either XY (male) or XX (female). What are Di Di twins? Di Di stands for Dichronic Diamniotic, and they are ...