A–Z Glossary

Biophysical profile

A biophysical profile combines ultrasound observations of fetal movement, tone, breathing, and amniotic fluid, sometimes with a nonstress test.

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Tests in first second and third trimester explained

Tests in first second and third trimester explained

Understanding prenatal testing: screening versus diagnosis Prenatal tests fall into several broad categories. Routine monitoring tests, such as blood pressure measurement, urine testing, blood counts, and ultrasound assessments, help clinicians follow maternal and fetal health. Screening tests estimate whether a fetus is more or less likely to have certain conditions, such as trisomy 21, trisomy […]