Singclean Luteinizing Hormone POCT test kit is used for the quantitative determination of Luteinizing Hormone (LH) in human urine samples in vitro.
Human luteinizing hormone (LH) is a kind of glycoprotein hormones secreted by the pituitary gland, exists in human blood and urine, its role is to stimulate the release of the ovaries mature eggs. LH in the middle of the menstrual secretion, sharply form LH peak, from the basic level of 5 ~ 20 miu/ml rapidly rising to the peak of 25 ~ 200 miu/ml.Urine LH concentration is usually about 36 ~ 48 hours before ovulation suddenly jumped sharply, in 14 ~ 28 hours peak, peak about 14 to 28 hours after theca burst, mature eggs. LH within two days after ovulation back to the basic level, to enter the luteal phase, luteal phase usually lasts for 14 days. Then, the new follicles began to development, into the next menstrual cycle, so the cycle, until the pregnancy. Women in the LH peak within 1 ~ 3 days after the most fertile, thus, detection of LH in the urine levels can be used to predict ovulation time, can grasp the conception time effectively.
Why we need LH testing?
LH (Luteinizing Hormone) is an important hormone, particularly crucial for females. Here are several reasons why it's necessary to measure LH levels:
Ovulation Monitoring: LH levels in the female body surge significantly during ovulation. Therefore, detecting LH levels helps determine a woman's ovulation timing, which is especially important for those trying to conceive or avoid pregnancy.
Infertility Diagnosis: Infertility is a complex condition, and abnormal LH levels might be one contributing factor. By measuring LH levels, doctors can assess a woman's fertility and diagnose underlying causes of infertility.
Polycystic Ovary Syndrome (PCOS) Diagnosis: PCOS is a common hormonal disorder that can lead to ovulation issues and other fertility complications. In PCOS patients, LH levels are typically elevated. Hence, measuring LH levels aids in the diagnosis and management of PCOS.
Monitoring Luteal Function: The corpus luteum is a tissue formed after ovulation, which secretes hormones necessary for maintaining the hormonal environment required for pregnancy. Measuring LH levels helps assess whether luteal function is normal.
specification
| Specimen | Urine |
| Rapid | Read result within 3-5mins |
| Sensitivity | 25mIU/ml |
| Specificity | 100% specificity - no cross reaction with FSH |
| Accuracy | Overall accuracy of 99% |
Test Procedure
Singclean Luteinizing Hormone Test Kit (Fluorescence Immunochromatography) is used for the quantitative determination of Luteinizing Hormone (LH) in human urine samples in vitro.
Interpretation of test results
(For reference only, not used as clinical diagnostic criteria, test results need to be combined with other clinical and laboratory data for clinical diagnosis)
|
Content of LH (mIU/mL) |
Clinical application advice |
|
Preovulation5-25 |
Normal level |
|
Period of ovulation25-200 |
LH is rapidly secreted in the middle of menstruation, and forms a LH peak, which rapidly increases from 5–20 mIU/mL in the basal level stage to 25–200 mIU/mL in the peak stage. The concentration of LH in urine suddenly and dramatically increases about 36–48 hours before ovulation, and peaks at 14–28 hours. The follicle membrane ruptures and mature eggs are excreted about 14–28 hours after the peak. |
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