Home›Urology› Pregnancy raises influenza susceptibility and severity, with potential fetal neurological effects
Pregnancy raises influenza susceptibility and severity, with potential fetal neurological effectsPregnancy makes women more likely to get severe flu infections
Frontiers in MedicinePublished August 5, 2026Study authors: Huanhuan Fan, Dingyang Liao, Bingying Li, Zhejin Sheng, Bin Zhou, Limei LiDOI ↗Editorial oversight: Dr. Lars van Dijk, PhD · Surgical, Procedural & Diagnostic
AI-generated summary of the cited source, checked by automated accuracy review.
How we work
Share
Key Takeaway
Consider influenza vaccination during pregnancy to reduce maternal complications and potential fetal risks.
This systematic review examines the impact of influenza virus infection during pregnancy, focusing on maternal and infant health outcomes, fetal neurological development, and the safety and effectiveness of vaccination. The review synthesizes evidence from existing literature, though specific study details such as sample size, comparators, and follow-up duration are not reported.
Key findings indicate that pregnant women are significantly more susceptible to influenza due to physiological changes in immune function. Infection during pregnancy increases the severity of the disease and the risk of complications in the mother. These conclusions are presented as physiological consequences of pregnancy, not merely associations.
Regarding fetal outcomes, the review notes that influenza may affect the neurological development and overall outcome of the fetus. However, the language used is cautious, stating that it 'may also affect,' indicating uncertainty in the specific impact. The review does not provide quantitative effect sizes or confidence intervals for these outcomes.
The review also addresses vaccination during pregnancy, highlighting its safety and effectiveness, though specific data on adverse events or tolerability are not reported. The authors position this work as a literature reference for mechanistic research, prevention, and control of influenza during pregnancy, and as a scientific basis for clinical decision-making.
Limitations are not explicitly reported in the source, and the certainty of the evidence is not graded. Clinicians should interpret these findings as supportive of current recommendations for influenza vaccination during pregnancy, while recognizing the need for more precise data on fetal outcomes.
How this fits prior evidence
This systematic review confirms and extends prior coverage on respiratory viral infections. It aligns with findings that respiratory viral coinfections can drive immune rewiring and granuloma instability in tuberculosis, suggesting broader impacts of viral infections on host physiology. It also complements the observation that prior influenza vaccination increases future vaccine uptake, reinforcing the importance of vaccination strategies. However, this review specifically addresses pregnancy, a gap not covered in prior items, and highlights the need for mechanistic research, as noted in the bibliometric analysis of TCM influenza research.
When you are pregnant, your body undergoes massive changes. While these changes help your baby grow, they also make it harder for your immune system to fight off germs. This means that if you catch the flu while pregnant, the illness can become much more severe and lead to more complications than it would in other women.
Research shows that these physiological changes make pregnant people significantly more susceptible to influenza. Because of this heightened risk, doctors look closely at how to protect both the mother and the baby. The goal is to manage the risks of infection before they can cause problems for the developing fetus.
While we know the flu poses a higher threat during pregnancy, there is still some uncertainty regarding exactly how it affects a baby's neurological development. Because every pregnancy is unique, these findings serve as a guide for doctors to make informed decisions about prevention and care.
What this means for you:
Pregnancy changes your immune system, making flu infections more severe and potentially risky for the baby.
Common questions
Why is the flu more dangerous during pregnancy?
Pregnancy causes physical changes in your immune system. These changes make it much harder for your body to fight off the influenza virus, leading to a higher risk of severe disease and complications compared to people who are not pregnant.
Can the flu affect my baby's development?
An influenza infection during pregnancy may affect the neurological development and overall outcome of the fetus. Because there is some uncertainty regarding the specific impact on a baby's brain, doctors use this information to guide clinical decisions.
How do doctors handle flu risks for pregnant patients?
Doctors use research on immune function and disease severity to make informed decisions about prevention and control. These findings help them create a plan to protect both the mother's health and the baby's development during the pregnancy.
Influenza virus, as a highly mutable respiratory virus, has been persistently circulating in the human population and has become an important threat to global public health. Pregnant women are significantly more susceptible to influenza due to physiological changes in immune function, and their condition often becomes more severe after infection. Infection with influenza virus during pregnancy not only increases the severity of the disease and the risk of complications in pregnant women, but may also affect the neurological development and overall outcome of the fetus. This article systematically reviews the epidemiological characteristics, risk factors, and pathophysiological mechanisms underlying adverse maternal and infant health outcomes caused by influenza virus infection during pregnancy. It also explores in detail the safety and effectiveness of vaccination during pregnancy and evaluates the effectiveness of implementation comprehensive management strategies. By integrating the latest basic and clinical research results, this article aims to provide a literature reference for mechanistic research and the prevention and control of influenza virus infection during pregnancy, as well as scientific basis for clinical decision-making and optimization of public health strategies, promote effective control and management of influenza during pregnancy, and ensure the health and safety of mothers and infants.
