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Weight at most recent pregnancy (pregnancy weight)

Published: August 9, 2026Updated: August 17, 2026

This test measures your weight during your most recent pregnancy to help track your health and pregnancy progress.

Quick summary

["Your pregnancy weight helps healthcare providers assess your overall health and pregnancy outcomes."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 17, 2026Editorial policy

Key facts at a glance

LOINC
56079-7
Short code
Weight pre most recent pregnancy
Synonyms
Weight pre most recent pregnancy
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
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 Is This Test Done?

Healthcare providers may request this measurement to monitor weight gain during pregnancy, which can influence gestational diabetes risk, blood pressure, and overall maternal health. It helps ensure you’re gaining weight in a healthy way for both you and your baby.

What Does This Test Tell Us?

This is not a lab test measuring a specific substance in your body. Instead, it’s a recorded value of your weight at the time of your last pregnancy. It serves as a reference point for your healthcare team to evaluate trends in weight gain or loss.

How Is This Test Performed?

You’ll provide your weight at the time of your most recent pregnancy, typically documented by your healthcare provider during prenatal visits or medical records. No blood, urine, or other bodily fluids are involved.

What Are Common Reasons for This Test?

Providers may check this value to assess weight-related risks, such as excessive or insufficient weight gain, which can impact pregnancy complications like hypertension, gestational diabetes, or preterm labor.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Pregnancy Weight

Frequently asked questions

Will this test require fasting?
No fasting is required for this test, as it involves recording your weight rather than collecting a blood or urine sample.
How long will it take to get results?
Results are typically not provided as a standalone test result but are documented in your medical records. Your healthcare provider will review this information during your prenatal visits.
Does this test involve any risks or discomfort?
No risks or discomfort are associated with this test. It simply requires providing your weight from your most recent pregnancy, which is already documented in your medical history.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

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.

Medical Disclaimer

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