Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Human chorionic gonadotropin in intrauterine device users.

A Shalit, O E Jaschevatzky, D Kampf

    International Journal of Fertility
    |January 1, 1980
    PubMed
    Summary

    Radioimmunoassays detected minimal human chorionic gonadotropin (HCG) in women using an intrauterine device (IUD). These low levels, often coinciding with luteinizing hormone (LH) peaks, suggest cross-reactivity rather than actual HCG presence.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    Author Correction: Imaging low-mass planets within the habitable zone of α Centauri.

    Nature communications·2021
    Same author

    Imaging low-mass planets within the habitable zone of α Centauri.

    Nature communications·2021
    Same author

    2D Raman-THz Spectroscopy of Binary CHBr<sub>3</sub>-MeOH Solvent Mixture.

    The journal of physical chemistry. B·2021
    Same author

    Development of a mirror-based endoscope for divertor spectroscopy on JET with the new ITER-like wall (invited).

    The Review of scientific instruments·2012
    Same author

    Helium-cooled balloon-borne infrared experiment for measurements of stratospheric trace gas emissions.

    Applied optics·2010
    Same author

    The flight experiment ANITA--a high performance air analyser for manned space cabins.

    Acta astronautica·2005

    Area of Science:

    • Reproductive endocrinology
    • Hormone analysis
    • Women's health

    Background:

    • Intrauterine devices (IUDs) are common contraceptives.
    • Accurate measurement of reproductive hormones is crucial for understanding menstrual cycles and pregnancy.
    • Distinguishing between similar hormones like human chorionic gonadotropin (HCG) and luteinizing hormone (LH) can be challenging.

    Purpose of the Study:

    • To investigate the presence and levels of human chorionic gonadotropin (HCG) in women with regular menstrual cycles using an intrauterine device (IUD).
    • To assess potential cross-reactivity between HCG and luteinizing hormone (LH) measurements in this population.

    Main Methods:

    • Radioimmunoassays were employed to measure serum levels of HCG, LH, and progesterone.
    • The study included 21 women with regular menstruating cycles who were using an IUD.
    Keywords:
    BiologyClinical ResearchContraceptionContraceptive MethodsEndocrine SystemFamily PlanningGonadotropinsGonadotropins, ChorionicHormonesIudLuteinizing HormoneMenstrual CycleMenstruationPhysiologyReproductionResearch Methodology

    Related Experiment Videos

  • Hormone levels were analyzed in relation to the menstrual cycle, including ovulation and LH peaks.

    • Main Results:

    • Serum HCG was undetectable in 10 out of 21 women.
    • In the remaining 11 women, very low levels of HCG (under 3 mIU/ml) were detected.
    • The detected HCG levels showed flat curves, with some coinciding with LH peaks or occurring without ovulation, suggesting potential LH cross-reactivity.

    Conclusions:

    • The detected low levels of HCG in women using IUDs are likely due to cross-reactivity with luteinizing hormone (LH).
    • There is no evidence of true HCG presence or early pregnancy in this cohort.
    • These findings highlight the importance of considering hormonal assay specificity in women using contraceptives.