Quote:
Originally Posted by Vicky.
Well that is quite different to how it comes across earlier in the thread..
Its a very common view to have, not that that makes it right or wrong. Most women have the downs screening..I had it myself. I never really gave it any serious thought but the midwife just mentioned it slightly and asked if I wanted it (at my 12 week scan) and I said yes..my risk was something like 1/250k so it was never something I had to think about in seriousness anyway really.
Its hard to get across what you actually mean on twitter..
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I knew it was a risk for older mothers but didn't realise how much more either.
Pre-screening probability
The risk of Down's syndrome varies with maternal age:[1]
1:1,500 at 20 years
1:800 at 30 years
1:270 at 35 years
1:100 at 40 years
>1:50 at 45 years and over