Pregnancy Update – Week 18

Our United Screening Approach test results came in the mail yesterday.

If you remember from my Pregnancy Update for Week 12, we were a bit concerned about our risk for Trisomy 21, or Down’s Syndrome.

In week 12, before we had the tests, both twins had a 1 in 106 chance of having Down’s Syndrome. After the test Twin A had a 1 in 309 chance and Twin B had a 1 in 252 chance. So taking the test dropped our odds of both kids having Down’s Syndrome, just not enough for the doctor to feel comfortable.

After the United Screening Approach test, the odds of Down’s for Twin A was 1 in 1,702. The chances for Twin B, 1 in 1,273. Our risk assessment has been down graded to “screen negative”.

I never for a second thought the twins for at risk, but it’s still nice to see it on paper.

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