Motherhood
AI could help sonographers identify abnormalities in unborn babies more quickly – study
Artificial intelligence (AI) could help sonographers identify any abnormalities at the 20-week pregnancy screening scan almost twice as quickly, without reducing the accuracy or reliability of diagnoses, a new study has shown.
This will help improve patient care by allowing sonographers to focus on other aspects of the scan, such as communicating with parents or spending more time looking at any areas of concern.
The trial is the first of its kind to use AI for the 20-week pregnancy scan on real patients.
Results from the trial found that AI-assisted 20-week scans were significantly shorter than standard scans, reducing the scan length by over 40 per cent.
For many expectant parents, the 20-week pregnancy screening can be a worrying experience as sonographers are looking for signs of 11 different conditions in a baby, such as heart defects or spina bifida.
However, the extra time freed up by using the AI tool allows the sonographer more time to focus on the parents, which may help to ease anxieties.
Lead author Dr Thomas Day is a Clinical Research Fellow at King’s College London and a Consultant Paediatric and Foetal Cardiologist at Evelina London Children’s Hospital, part of Guy’s and St Thomas’.
The researcher said: “Understandably this 20-week scan can be a nerve-wracking time for parents, as they’re finding out the health of their unborn child.
“Our research has shown that AI-assisted scans are accurate, reliable and more efficient.
“We hope that using AI in these scans will free up precious time for sonographers to focus on patient care, making the experience more comfortable and reassuring for parents.”
The trial featured 78 pregnant participants and 58 sonographers.
Each pregnant participant was scanned twice, once using the AI-assisted scanner and once without the use of AI.
The study showed that the AI-assisted scans – which automatically took several thousand snapshots of each foetal measurement compared to three taken by a human sonographer – were more reliable compared to manual measurements.
This may improve the accuracy of assessing foetal growth and health, helping medical professionals make decisions earlier that could improve health outcomes for the baby.
The AI-tool alters the way in which the scan is performed, as sonographers no longer need to pause, save images, or measure during the scan, resulting in fewer interruptions and making the process smoother.
The AI tool is now being rolled out more widely through a company called Fraiya, which is a University-NHS spinout company from King’s College London, Guy’s and St Thomas’ and King’s College Hospital.
The company’s goal is to create AI-powered tools for pregnancy ultrasound that improve medical diagnoses, help healthcare professionals, and enhance care for patients.
Fraiya has been developed as part of the MedTech Venture Builder programme at The London Institute for Healthcare Engineering (LIHE).
Professor Mike Lewis, NIHR Scientific Director, said: “Anything that improves the experience of expectant mothers, gives them reassurance and tailors the care they are offered by healthcare professionals can only be a good thing.
“The use of AI in healthcare has huge potential to impact patient care while saving time and money. This research is another great example of how NIHR works for the health and wealth of the nation.”
Insight
Caesarean births overtake natural vaginal deliveries in England for first time
Caesarean births (surgical births) have overtaken vaginal deliveries in England for the first time, with 45 per cent of births now by caesarean, NHS data show.
Last year, 44 per cent of births were through natural vaginal deliveries and 11 per cent were assisted with instruments such as forceps or ventouse, according to data published on Tuesday covering April 2024 to March 2025. Assisted deliveries use instruments to help the baby out during birth.
More than four in ten caesareans carried out by NHS England were elective, planned operations. For women under 30, natural vaginal birth remained the most common method, while for women aged 30 and over, caesareans were most common. For women aged 40 and over, 59 per cent of births were by caesarean.
In total, 20 per cent of births in 2024-25 were planned caesareans and 25.1 per cent were emergency, with both figures at record highs.
There were 542,235 deliveries in NHS England hospitals during this period, down from 636,643 in 2014-15. One in four births were to mothers aged over 35.
In 2014-15, caesarean deliveries made up 26.5 per cent of births. The increase over the past decade has been attributed to growing numbers of complex pregnancies, linked to factors including rising obesity rates and women waiting until they are older to have children.
Donna Ockenden, one of the UK’s most senior midwives who is leading the inquiry into maternity failures in Nottingham, told BBC Radio 4’s Today programme that the rise was a “complex” and “evolving picture over time”.
She said: “The thousands of women I’ve spoken to want a safe birth above everything else, so we should not vilify or criticise women who make those decisions.”
“In the reality of today’s maternity services – where women are living in poverty, deprivation, they’ve got pre-existing illnesses – obstetricians, midwives, nurses can only do so much, and we don’t always do enough in all cases to optimise women’s health prior to pregnancy.”
Soo Downe, a professor of midwifery at the University of Lancashire, added: “In some cases women are going for caesarean sections as a kind of least-worst option because they don’t really believe they’re going to have the kind of support they need to have a safe, straightforward, positive labour and birth in hospital.
“Or because their birth centres are being closed … or because they go into labour wanting a home birth and the midwife isn’t able to come to them because the midwife’s called somewhere else.
“But for some of them, it becomes the only choice on the table … and for other women, they choose a caesarean because they really want one, and that’s absolutely fine.”
Insight
UK gov responds to report into failings in black maternal health
Insight
COVID-19 vaccine significantly reduces risk to pregnant women and baby – study
Pregnant women who received a Covid-19 vaccine were far less likely to experience severe illness or deliver prematurely, according to a major new study.
The research, drawing on data from nearly 20,000 pregnancies across Canada, found that vaccination was strongly associated with lower risks of hospitalisation, intensive care admission and preterm birth. Preterm birth means delivery before 37 weeks.
These benefits persisted as the virus evolved from the Delta variant to Omicron.
Dr Deborah Money is a professor of obstetrics and gynaecology at UBC and senior author of the study.
She said: “Our findings provide clear, population-level evidence that COVID-19 vaccination protects pregnant people and their babies from serious complications.
“Even as the virus evolved, vaccination continued to offer substantial benefits for both mother and child.”
The findings revealed that vaccinated women were about 60 per cent less likely to be hospitalised and 90 per cent less likely to require intensive care compared with those unvaccinated at the time of infection.
Vaccination was also linked to fewer premature births, reducing the risk by 20 per cent during the Delta wave and 36 per cent during the Omicron wave.
Notably, the analysis found that women vaccinated during pregnancy, as opposed to before pregnancy, had even lower rates of preterm birth and stillbirth.
“But our data suggest there may be added benefits to receiving the vaccine during pregnancy,” said Dr Elisabeth McClymont, lead author and assistant professor in UBC’s department of obstetrics and gynaecology.
The findings arrive amid evolving vaccine guidance for pregnant women.
In the US, the Advisory Committee on Immunization Practices recently did not include a specific recommendation for Covid-19 vaccination during pregnancy in its updated adult immunisation schedule.
Meanwhile, public health officials in Canada and at the World Health Organization continue to recommend that pregnant women receive a Covid-19 vaccine.
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