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 Concept Videos

Associative Learning01:27

Associative Learning

1.4K
Associative learning is a fundamental concept in behavioral psychology, wherein a connection is established between two stimuli or events, leading to a learned response. This process is critical in understanding how behaviors are acquired and modified. Conditioning, the mechanism through which associations are formed, can be divided into two main types: classical conditioning and operant conditioning, each elucidating different aspects of associative learning.
Classical conditioning, also known...
1.4K
Association Areas of the Cortex01:21

Association Areas of the Cortex

9.5K
Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
9.5K
Muscles that Move the Head01:19

Muscles that Move the Head

6.0K
The muscles that move the head are a dynamic and complex group of structures that work together to facilitate a wide range of head movements, including rotation, flexion, extension, and lateral bending.
The bilateral sternocleidomastoid, or SCM, and the suprahyoid and infrahyoid muscles are significant head flexors. The SCM muscles originate at the sternum and clavicle and attach to the mastoid process of the temporal bone. The SCM contracts bilaterally to bend the head forward, whereas...
6.0K
Stages of Infection01:26

Stages of Infection

65.4K
Stages of infection describe what happens to a susceptible host once a pathogen invades the human body. The stages of infection are incubation, prodromal, illness, stage of decline, and convalescence. The incubation stage is the period from exposure to a pathogen until symptoms start. The infected person is unaware of impending illness as the pathogens grow and multiply within the body. The duration may vary depending on the type of infection. The incubation period of measles averages ten to...
65.4K
Stages of Sleep01:22

Stages of Sleep

1.5K
Sleep progresses through distinct stages, each characterized by specific brain wave patterns and physiological responses ranging from wakefulness to stages of non-rapid eye movement, known as non-REM, to rapid eye movement, referred to as REM. Understanding these stages helps in recognizing how sleep supports various bodily and cognitive functions.
Before sleep begins, in wakefulness, the brain exhibits primarily beta waves, which are high in frequency and low in amplitude, indicating alertness...
1.5K
Stages of General Anesthesia01:22

Stages of General Anesthesia

1.8K
Various sedation levels offer significant advantages in facilitating procedural interventions for patients undergoing medical or invasive surgical procedures. These levels span from anxiolysis to general anesthesia, providing a spectrum of sedative effects to cater to specific patient needs. Anxiolysis reduces anxiety and is achieved through minimal sedation, enabling patients to remain awake and responsive while feeling more at ease during the procedure. This level can benefit minor...
1.8K

You might also read

Related Articles

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

Sort by
Same author

Isolating the effect of prior cesarean delivery on operative vaginal delivery in subsequent labor among women with prior vaginal birth: A matched cohort study.

European journal of obstetrics, gynecology, and reproductive biology·2026
Same author

In Vivo Assessment of Placental Structure and Perfusion in Late-Gestation Pregnancies and Their Association With Fetal Growth.

NMR in biomedicine·2026
Same author

Regional differences in fetal fat accretion in small-for-gestational-age fetuses assessed by quantitative magnetic resonance imaging.

Pediatric radiology·2026
Same author

Multifetal Gestation and Long-Term Maternal Health.

American journal of obstetrics & gynecology MFM·2026
Same author

Consensus Statement from the Society of Gynecologic Oncology of Canada on Folate Receptor α Testing in Ovarian Cancer.

Current oncology (Toronto, Ont.)·2026
Same author

The Impact of Malnutrition on Post-Operative Complications in Patients with Ovarian Cancer: A NSQIP Study.

Current oncology (Toronto, Ont.)·2026

Related Experiment Video

Updated: Feb 10, 2026

Hemodynamic Precision in the Neonatal Intensive Care Unit using Targeted Neonatal Echocardiography
09:31

Hemodynamic Precision in the Neonatal Intensive Care Unit using Targeted Neonatal Echocardiography

Published on: January 27, 2023

1.6K

The association between neonatal head circumference and second stage duration.

Lina Salman1,2, Anat Shmueli1,2, Amir Aviram3

  • 1Helen Schneider Hospital for Women, Rabin Medical Center, Petach Tikva, Israel.

The Journal of Maternal-Fetal & Neonatal Medicine : the Official Journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians
|May 26, 2018
PubMed
Summary

A large neonatal head circumference (HC) is independently linked to a longer second stage of labor. This association holds true across different parity and epidural use groups, impacting labor duration.

Keywords:
Head circumferenceepidural analgesiaparitysecond stage of labor

More Related Videos

Neuromodulation and Mitochondrial Transport: Live Imaging in Hippocampal Neurons over Long Durations
04:50

Neuromodulation and Mitochondrial Transport: Live Imaging in Hippocampal Neurons over Long Durations

Published on: June 17, 2011

17.3K
A Piglet Model of Neonatal Hypoxic-Ischemic Encephalopathy
10:30

A Piglet Model of Neonatal Hypoxic-Ischemic Encephalopathy

Published on: May 16, 2015

20.2K

Related Experiment Videos

Last Updated: Feb 10, 2026

Hemodynamic Precision in the Neonatal Intensive Care Unit using Targeted Neonatal Echocardiography
09:31

Hemodynamic Precision in the Neonatal Intensive Care Unit using Targeted Neonatal Echocardiography

Published on: January 27, 2023

1.6K
Neuromodulation and Mitochondrial Transport: Live Imaging in Hippocampal Neurons over Long Durations
04:50

Neuromodulation and Mitochondrial Transport: Live Imaging in Hippocampal Neurons over Long Durations

Published on: June 17, 2011

17.3K
A Piglet Model of Neonatal Hypoxic-Ischemic Encephalopathy
10:30

A Piglet Model of Neonatal Hypoxic-Ischemic Encephalopathy

Published on: May 16, 2015

20.2K

Area of Science:

  • Obstetrics and Gynecology
  • Perinatal Research
  • Clinical Epidemiology

Background:

  • The second stage of labor duration is a critical indicator of labor progress.
  • Factors influencing the second stage of labor require further investigation to optimize obstetric outcomes.
  • Neonatal anthropometrics, such as head circumference, may play a role in labor dynamics.

Purpose of the Study:

  • To investigate whether neonatal head circumference (HC) independently influences the duration of the second stage of labor.
  • To analyze this association stratified by maternal parity and the use of epidural analgesia.

Main Methods:

  • Retrospective cohort analysis of term, singleton, vaginal deliveries (2012-2014).
  • Exclusion of operative deliveries, fetal anomalies, and missing data.
  • Multivariate linear regression to assess the association between HC and second stage duration, stratified by parity and epidural use.

Main Results:

  • A large neonatal head circumference (HC) was significantly and independently associated with a longer second stage of labor across all analyzed groups.
  • This association was observed in nulliparous women with epidural (beta 10.06), without epidural (beta 7.58), and in multiparous women with epidural (beta 4.64) and without epidural (beta 1.35).
  • Neonatal birth weight did not show a significant association with second stage duration in any group.

Conclusions:

  • Increased neonatal head circumference is a significant independent predictor of prolonged second stage of labor.
  • This finding has implications for understanding labor progression and potential interventions.
  • The impact of HC on labor duration is consistent regardless of parity or epidural analgesia.