Human placental lactogen

Alternative names:

HPL

Normal values:

The HPL value that rises progressively during pregnancy is normal.

What abnormal results mean:

HPL is a hormone produced by the placenta and is used to evaluate placental function. Abnormal results may indicate abnormal (usually insufficient) placenta function.
Values are decreased with:

• toxemia
• molar pregnancy (see hydatidiform mole)
• choriocarcinoma
• placental insufficiency

Values are increased with:

• multiple pregnancies
• diabetes
• Rh incompatibility