Human Placental Lactogen Concentration (hPL, Chorionic Somatomammotropin)

Connected diagnostic information

Explore this test as a linked health pathway

1. What this test measures 2. Reference ranges 3. Increased / decreased markers 4. Related disease pages 5. Full article

What this test measures

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This section shows the biological marker/agent measured by this diagnostic test. Each marker/agent opens its own page with related conditions. Detailed reference ranges are shown separately in the Reference ranges and concentrations section below, so they are not repeated here.

Measured biological marker/agentHuman Placental Lactogen (HPL, Pregnancy Weaks 25 to 30)Category / group: Blood Studies / Maternal Screening TestsLinked condition pattern: 20 increased / 8 decreased linksTotal condition links: 28Reference ranges: shown in the reference range table below where available
Measured biological marker/agentHuman Placental Lactogen (hPL, Pregnancy Weaks 31 to 35)Category / group: Blood Studies / Maternal Screening TestsLinked condition pattern: 21 increased / 8 decreased linksTotal condition links: 29Reference ranges: shown in the reference range table below where available
Measured biological marker/agentHuman Placental Lactogen (hPL, Pregnancy Weaks 36 to 40)Category / group: Blood Studies / Maternal Screening TestsLinked condition pattern: 21 increased / 8 decreased linksTotal condition links: 29Reference ranges: shown in the reference range table below where available
Measured biological marker/agentHuman Placental Lactogen (HPL, Pregnancy Weaks 5 to 25)Category / group: Blood Studies / Maternal Screening TestsLinked condition pattern: 19 increased / 8 decreased linksTotal condition links: 27Reference ranges: shown in the reference range table below where available

Reference ranges and concentrations

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These ranges are pulled from the existing EH diagnostic-test reference range tables. They can vary by laboratory, method, age, sex, sample type and clinical situation.

Biological marker/agent / concentration	Reference range	Unit	Age	Gender	Category / test group
Human Placental Lactogen (HPL, Pregnancy Weaks 25 to 30)	2,300 – 6,100	µg/L	Adult ( > 16y)	Female	Blood Studies / Maternal Screening Tests
Human Placental Lactogen (hPL, Pregnancy Weaks 31 to 35)	3,800 – 8,800	µg/L	Adult ( > 16y)	Female	Blood Studies / Maternal Screening Tests
Human Placental Lactogen (hPL, Pregnancy Weaks 36 to 40)	4,900 – 8,600	µg/L	Adult ( > 16y)	Female	Blood Studies / Maternal Screening Tests
Human Placental Lactogen (HPL, Pregnancy Weaks 5 to 25)	0 – 4,500	µg/L	Adult ( > 16y)	Female	Blood Studies / Maternal Screening Tests

Tip: scroll sideways on small screens to see all columns. Ranges are educational only and must be interpreted by a qualified clinician.

Conditions where linked markers may be increased or decreased

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This section links the test's biological markers/agents to related conditions. It is a browsing guide, not a diagnosis.

Markers often increased in

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Markers often decreased in

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