Luteinizing Hormone

Luteinizing Hormone is a topic covered in the Davis's Lab & Diagnostic Tests.

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Synonym/Acronym:
LH, luteotropin, interstitial cell–stimulating hormone (ICSH).

Rationale
To assess gonadal function related to fertility issues and response to therapy.

Patient Preparation
There are no food, fluid, activity, or medication restrictions unless by medical direction.

Normal Findings
Method: Immunoassay.

Concentration by Gender and by Phase (in Females)Conventional and SI Units
Male
 Less than 2 yr0.5–1.9 international units/mL
 2–10 yrLess than 0.5 international units/mL
 11–20 yr0.5–5.3 international units/mL
 Adult1.2–7.8 international units/mL
Female
 Less than 2–10 yrLess than 0.5 international units/mL
 11–20 yr0.5–9 international units/mL
Phase in Females
 Follicular1.7–15 international units/mL
 Ovulatory21.9–80 international units/mL
 Luteal0.6–16.3 international units/mL
 Postmenopausal14.2–52.3 international units/mL

Critical Findings and Potential Interventions
N/A

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Synonym/Acronym:
LH, luteotropin, interstitial cell–stimulating hormone (ICSH).

Rationale
To assess gonadal function related to fertility issues and response to therapy.

Patient Preparation
There are no food, fluid, activity, or medication restrictions unless by medical direction.

Normal Findings
Method: Immunoassay.

Concentration by Gender and by Phase (in Females)Conventional and SI Units
Male
 Less than 2 yr0.5–1.9 international units/mL
 2–10 yrLess than 0.5 international units/mL
 11–20 yr0.5–5.3 international units/mL
 Adult1.2–7.8 international units/mL
Female
 Less than 2–10 yrLess than 0.5 international units/mL
 11–20 yr0.5–9 international units/mL
Phase in Females
 Follicular1.7–15 international units/mL
 Ovulatory21.9–80 international units/mL
 Luteal0.6–16.3 international units/mL
 Postmenopausal14.2–52.3 international units/mL

Critical Findings and Potential Interventions
N/A

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