Whether you're expecting twins or a bit curious about what exactly happens when twins are together in the womb, it's only natural to want to know all the ins and outs about them.
Fraternal twins are twins that look different from each other and could be two girls, two boys, or one of each.
Here are some wonderful and weird facts about fraternal twins that we guarantee you had no idea about before now.
1) Fraternal twins come from two different eggs
Fraternal twins come from their own egg and sperm
, which is known as dizygotic, while identical twins are monozygotic. Monozygotic refers to the fact that they are formed from the same egg and sperm and then split into two after conception has taken place.
5) Fraternal twins might be due to the result of fertility treatments
Since technology has made fertility treatments more available, the birth rates of twins have increased and, it's often the case where these treatments produce multiple eggs, with IVF
, for example.
7) Women who eat a lot of dairy are more likely to have twins
A study published in the Journal of Reproductive Medicine
that women who eat more dairy are at more of a chance of conceiving twins.
found this when he compared twin rates from vegan mothers and non-vegan mothers, and those who had dairy were five times more likely to have twins.
This is down to the fact that cows also produce IGF in response to growth hormone, release into their blood, and, it gets released into their milk, which women then consume.
9) 40% of twins invent their own languages
Researchers think twin babies create their own language
(inverted words and onomatopoeic expressions) before they learn how to speak. This is said to be because of being very close and near to their twin from the very start.
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