A member asked:

I am 11.5 week pregnant (last period on 5/13; mmr on 5/14). my nt ultrasound result is 2.5mm. does this mean the baby will be unhealthy? thanks.

A doctor has provided 1 answer
Dr. Natalie Sieb answered

Specializes in Family Medicine

Don't worry too much: It depends on the center you get measured at, but generally it is thought that any NT measurement below 3.5mm is considered "normal" or low risk for Down's syndrome when your baby measures between 45 and 84mm long. It is also said that 9 out of 10 babies with NT measurements between 2.5 and 3.5mm will be completely normal.

Answered 10/23/2017

3.8k views

Thank

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