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Twin Births

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hiflier | 20:01 Thu 09th May 2013 | Society & Culture
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What is the likelihood of a twin birth event? And what was the likelihood in the 18th, 17th, 16th and 15th centuries?
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looks like a ripper of a read about the last 100 years http://epc2006.princeton.edu/papers/60568
20:38 Thu 09th May 2013
Likelihood, without artificial assistance, always used to be quoted at around 1 in 80 or 1 in 88 births. Now is it increasing.
My Mum had two sets of twins, after the first set you are more likely to have another set apparently. Older women have more twins too. Statistically though sorry I can't help you.
There also seems to be hot-spots. We live in Hereford and their are twins everywhere. The local primary school (180 children maximum) has at least four sets at the moment but there have been years when there have been more. (One of those sets are my very own thing 1 and thing 2.)
Also female fraternal twins are more likely to have twins and you are more likely to have twins the more children you have (which I found out AFTER I fell pregnant for the fourth time).
I love those pet names Sherrardk- Dr Suesse is epic:)
Differs between fraternal and identical twins.
I (obviously) only use it on here. Can't stand the term 'one of the twins'.
looks like a ripper of a read about the last 100 years

http://epc2006.princeton.edu/papers/60568

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