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

Regular and irregular human fetal respiratory movement

I E Timor-Tritsch, L J Dierker, R H Hertz

    Early Human Development
    |September 1, 1980
    PubMed
    Summary

    Fetal respiratory movements (FRM) show distinct patterns during active and quiet periods. Regular FRM correlate with quiet periods, suggesting a potential quiet sleep state in term fetuses.

    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

    Association of human chorionic gonadotropin and post-pregnancy persistent enhanced myometrial vascularity.

    Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology·2026
    Same author

    How to get the most from axial views of the fetal brain: applying the principles of neurosonography to screening examination of the supratentorial central nervous system.

    Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology·2026
    Same author

    Hidden in plain sight: role of residual myometrial thickness to predict outcome of Cesarean scar pregnancy.

    Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology·2023
    Same author

    ISUOG Practice Guidelines (updated): performance of fetal magnetic resonance imaging.

    Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology·2023
    Same author

    Prenatal diagnosis and characterization of extra-axial, supratentorial pial arteriovenous malformation using high-resolution transvaginal neurosonography.

    Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology·2022
    Same author

    Reply.

    Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology·2022

    Area of Science:

    • Perinatology
    • Fetal Physiology
    • Neonatal Neurology

    Background:

    • Understanding fetal development is crucial for predicting neonatal outcomes.
    • Fetal respiratory movements (FRM) are a key indicator of fetal well-being.
    • Differentiating fetal states, such as active and quiet periods, is essential for accurate assessment.

    Purpose of the Study:

    • To investigate the characteristics of fetal respiratory movements (FRM) during different fetal states.
    • To determine if FRM patterns correlate with active and quiet fetal periods.
    • To explore the potential existence of a quiet sleep state in term fetuses.

    Main Methods:

    • Utilized abdominal strain gauges (tocodynamometers) to monitor FRM.
    • Determined active and quiet fetal periods using fetal heart rate (FHR) and fetal body movement (FM).
    • Classified FRM patterns into Regular and Irregular based on neonatal respiratory criteria.

    Main Results:

    • Statistically significant differences in breath-to-breath intervals (BBI) were observed between active and quiet fetal periods.
    • Irregular FRM patterns were predominantly noted during active fetal periods.
    • Regular FRM patterns were associated with quiet fetal periods.

    Conclusions:

    • The correlation between regular FRM and quiet fetal periods provides evidence for a potential quiet sleep state in term fetuses.
    • These findings contribute to understanding fetal behavioral states and their implications for development.
    • Further research into fetal sleep states can enhance prenatal care and outcome prediction.

    Related Experiment Videos