Substance Content of Maternal Blood for Pregnancy-Related Biomarkers (Serum/Plasma)
This test measures certain substances in your blood to help monitor your health and the well-being of your developing baby during pregnancy. It may be used to identify potential challenges early.
Early detection of pregnancy-related health concerns through blood tests.
Key facts at a glance
- LOINC
- 93084-2
- Short code
- NULLIPAROUSPREGNANCYOUTCOMESSTUDYMONITORINGMOTHERSTOBEDIFFICULTIESINPREG
- Synonyms
- —
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Critical range
- 0.5 N/A – —
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- numom-b
- Specimen volume
- 5 mL
- Stability
- Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 4–24 hours
- Order
- routine
Why This Test Is Done
Your healthcare provider may order this test if you are at higher risk for pregnancy complications, such as gestational diabetes, preeclampsia, or other maternal or fetal issues. It can also help track how your body is adjusting to pregnancy, especially if you have had difficulties in past pregnancies.
What to Expect Before the Test
You will likely have a simple blood draw, usually taken from a vein in your arm. No special preparation is needed, but inform your provider about any medications or supplements you’re taking.
What the Test Measures
This test detects levels of various substances in your blood, such as proteins, hormones, or other biomarkers that can signal how your body is functioning during pregnancy. These may include markers for inflammation, metabolic health, or organ function.
Common Uses and Benefits
The results help your healthcare team assess risks early, plan interventions if needed, and ensure both you and your baby stay healthy. It may also help identify if you need additional support or monitoring.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
This test plays a critical role in personalized prenatal care by providing data to guide decisions about care, such as lifestyle adjustments, medication adjustments, or referrals to specialists. Early identification of potential issues can improve outcomes for both mother and baby.
Short name
Pregnancy Biomarker Screening
Frequently asked questions
Will I need to fast before this test?
What does a low or high result mean?
How often will I need this test?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 17, 2026. · Read our editorial policy