Foetal intrauterine growth restrictions with Helicobacter pylori infection

G D Eslick1, P Yan, H H-X Xia

  • 1Department of Internal Medicine, The University of Sydney, Nepean Hospital, Penrith, Australia.

Insights

Helicobacter pylori (H. pylori) infection during pregnancy may increase the risk of intrauterine growth restriction (IUGR). This study found H. pylori seropositivity to be an independent risk factor for IUGR, alongside smoking and maternal height.

Area of Science:

  • Obstetrics and Gynecology
  • Infectious Diseases
  • Neonatal Health

Background:

  • Helicobacter pylori (H. pylori) infection is linked to growth restriction in children.
  • The potential impact of H. pylori on fetal development requires further investigation.

Purpose of the Study:

  • To investigate the association between H. pylori infection and intrauterine growth restriction (IUGR) in pregnant women.

Main Methods:

  • A cohort of 448 pregnant women in their third trimester were assessed.
  • Data collected included maternal demographics, smoking history, and neonatal birth weight.
  • IUGR was defined as birth weight below the 10th percentile for gestational age.

Main Results:

  • 20% of women were seropositive for H. pylori. H. pylori prevalence varied significantly by ethnicity.
  • Intrauterine growth restriction occurred in 7.5% of neonates.
  • H. pylori seropositivity (OR=2.41), smoking (OR=3.55), and maternal height (OR=0.48) were independent risk factors for IUGR.

Conclusions:

  • H. pylori infection during pregnancy may negatively impact fetal growth.
  • Findings suggest H. pylori as a potential risk factor for intrauterine growth restriction.
Abstract

Related Concept Videos

Treating Helicobacter pylori in Peptic Ulcers: Antimicrobial Therapy01:16

Treating Helicobacter pylori in Peptic Ulcers: Antimicrobial Therapy

Helicobacter pylori, a resilient gram-negative bacterium, can thrive in the stomach's harsh, acidic environment. Infection with H. pylori leads to a cascade of events within the stomach lining. One of the critical disruptions caused by this bacterium is the interference with somatostatin production, a hormone responsible for regulating acid secretion. This interference tips the balance, escalating acid secretion and diminishing bicarbonate levels. This imbalance compromises the defensive...
Gastritis II: Pathophysiology01:26

Gastritis II: Pathophysiology

The pathophysiology of gastritis begins with the colonization of the stomach lining by Helicobacter pylori (H. pylori). This bacterium spreads mainly via the oral-oral route through saliva or shared utensils, and can also be transmitted in overcrowded or unhygienic environments through contaminated water, despite its brief survival outside the body.ColonizationOnce ingested, H. pylori enters the stomach and begins colonization by navigating through the mucus layer lining the stomach wall. It...
Peptic Ulcer01:27

Peptic Ulcer

Peptic ulcers are erosive lesions of the gastric or duodenal lining, most commonly caused by Helicobacter pylori infection. This Gram-negative, helical bacterium has adapted to survive the stomach’s acidic environment by producing urease, which converts urea into ammonia and carbon dioxide. The ammonia neutralizes gastric acid in the bacterium’s immediate environment, allowing colonization of the gastric mucosa. H. pylori attaches to mucus-secreting epithelial cells, penetrates the mucus...
Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies01:28

Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies

Peptic ulcer disease (PUD) presents with diverse symptoms depending on the location and severity of the ulcer. Clinical manifestations of peptic ulcer include dull pain and a burning sensation in the mid-epigastric region.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
Peptic Ulcer Disease II: Pathophysiology01:24

Peptic Ulcer Disease II: Pathophysiology

Peptic ulcer disease develops when protective mechanisms of the gastrointestinal mucosa are overwhelmed by harmful factors, leading to localized erosions in the stomach or proximal duodenum. The main causes are Helicobacter pylori infection and chronic use of nonsteroidal anti-inflammatory drugs (NSAIDs).Helicobacter pylori–Induced InjuryBacterial Adaptation and Colonization:H. pylori is a spiral, Gram-negative bacterium adapted to the acidic stomach. and transmitted through oral-oral or...
Pyloric Obstruction01:11

Pyloric Obstruction

Pyloric obstruction, also referred to as gastric outlet obstruction, is a condition characterized by narrowing or blockage at the pylorus—the muscular valve regulating the flow of stomach contents into the duodenum. When this passage becomes impaired, the stomach cannot effectively empty its contents into the small intestine. This disruption leads to a range of gastrointestinal symptoms, including early satiety, bloating, epigastric pain, postprandial nausea, persistent vomiting, and...