Girls cam2 chat free - First trimester dating ultrasound accuracy

For example, this test will not tell us "no, the baby definitely does not have trisomy 13, 18 or 21" and, this test will not tell us “yes, your baby definitely has trisomy 13, 18 or 21”.

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We know that the amount of fluid can increase in the presence of certain conditions, producing a thicker NT measurement.

Conditions associated with an increased NT measurement include some chromosome abnormalities (for example, trisomy 13, 18 and 21) and some structural problems (for example, heart abnormalities).

We may need a closer look at your baby, ovaries or cervix.

Transvaginal ultrasound during all stages of pregnancy, including the first trimester, is safe and will not harm either you or your baby.

A nuchal translucency ultrasound (commonly called a “nuchal scan” or “NT scan”) is an ultrasound performed between 11.5 and 13 weeks 6 days gestation.

It is usually part of an assessment called combined first trimester screening.This test gives us an indication of whether we should worry about your baby based on these results.This means that combined first trimester screening will not give us a definitive answer.You will always have a choice about whether transvaginal ultrasound is performed.If you have concerns about transvaginal ultrasound, please discuss this with your sonographer.It is important for the measurement to be done properly to ensure an accurate result.

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