Biophysical Profile (BPP): Why It Is Done

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Why It Is Done

A biophysical profile (BPP) test is done to:

• Learn about and keep track of your baby's health. Special ultrasound methods are used to keep track of movement, increases in heart rate with movement (nonstress test), muscle tone, breathing rate, and the amount of amniotic fluid surrounding your baby. If these five areas are within a normal range, your baby is considered to be in good health.
• Check on your baby's health if you have:
  • Hyperthyroidism.
  • Bleeding problems.
  • Lupus.
  • Chronic kidney disease.
  • Type 1 diabetes or gestational diabetes.
  • High blood pressure (hypertension).
  • Preeclampsia.
  • A small amount of amniotic fluid (oligohydramnios) or too much amniotic fluid (polyhydramnios).
  • A multiple pregnancy (such as twins or triplets).
  • A pregnancy that has gone past your due date, between 40 and 42 weeks.

Last updated:	June 28, 2008
Author:	Sandy Jocoy, RN
Reviewed By:	Sarah Marshall, MD - Family Medicine, Kirtly Jones, MD - Obstetrics and Gynecology
Editors:	Kathleen M. Ariss, MS, Pat Truman, MATC