Placental Growth Factor (PlGF)

BC0097

Synonym(s):
Specimen Container

​Gel separator tube (Adult)

Specimen Requirement

​Plain Blood

3 mL


Invert blood 5 times after blood collection to ensure that clot activator is well mixed with the blood. This will ensure that results are reliable.

Method Time-resolved fluoroimmunoassay (DELFIA Xpress PlGF 1-2-3)
Orderable as Urgent? No
Turn Around Time

​Up to 3 days

Reference Value(s)

1st Trimester

The result must be interpreted in conjunction with the gestational week's median (refer to table below).
 
 
Stage of pregnancyPlGF Concentration (pg/mL)
5th percentileMedian95th percentile
Week 98.615.024.8
Week 1010.119.130.4
Week 1111.023.846.6
Week 1215.330.759.8
Week 1315.537.490.0

 

Median will be reviewed periodically and update when necessary. Last update of median: 14th March 2023.

 

2nd Trimester & 3rd Trimester

 

Stage of pregnancyDecision rulePlGF cut-off
Week 20 or moreRule in cut-off<50 pg/mL
Week 20 or moreRule out cut-off>150 pg/mL
Testing Laboratory Location

​KKH

Laboratory Clinical Chemistry
Contact Number

​6394 8013

Day and Time Performed

​Monday - Friday: 0830hrs - 1730hrs (excluding public holidays)

Orderable on CPOE? Yes
Downtime Form

Clinical Chemistry - Form A

Additional Information

​To indicate LMP Gestation on request form/in CPOE.

Change History Notes

  • 24 Apr 2023 02:30 PM

    Method added.

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Last Updated - 18 Jun 2025