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How come some women have twins?



How come some women have twins?


There are two types of twins, those who look the same

and those who do not look the same. About 25% of all

twins are twins who look the same. This means that they

grew out of one egg. which split into two different


clusters of cells, both of which later developed into a

baby. Until now the scientists do not fully understand,

why some eggs split up. As they are created from the

same egg, twins of this type are always the same sex

and they look very similar.


Twins who do not look like one another are caused by a

simultaneous release of an egg in each ovary ofthe

woman. Both eggs are fertilised, each one by a separate

sperm from the man and two babies start to grow at the

same time in the uterus. Except for growing in the same

womb and being the same age, these twins are like any

other children of these same parents. They can be of a

different sex and have completely different

characteristics to each other


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