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Ultrasound scans in pregnancy: A trusted guide amid emerging MRI research

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For many born during the UK’s most common birth dates, their arrival often carries a festive backstory.

Christmas holidays, time off work, and the boost to sperm quality in winter—December becomes a season of new beginnings.

Fast forward nine months, and January turns into a time of fresh starts, not just for the year ahead but for expectant parents embarking on the incredible journey of pregnancy.

It’s a journey filled with hope, wonder, and, naturally, questions. Among the most important tools guiding that journey are ultrasound scans.

They’re trusted. They’re accessible. And they remain at the heart of prenatal care, even as advancements in MRI research spark curiosity.

Why Ultrasound Matters

An ultrasound scan is more than just a glimpse inside the womb.

In the NHS, two routine scans are part of every pregnancy. The dating scan, offered at around 12 weeks, sets the timeline for your pregnancy.

It confirms your due date, checks for multiple pregnancies, and ensures everything is progressing as it should.

Then there’s the anomaly scan, at 20 weeks. This one is more detailed, looking at the baby’s organs, growth, and the position of the placenta.

It identifies any structural abnormalities, providing essential information to parents and clinicians alike.

But for many parents, these NHS scans aren’t enough. They’re waiting—sometimes weeks, sometimes months—to see their baby. They want reassurance sooner.

That’s where private viability scans come in.

The Comfort of Private Viability Scans

The first trimester is a time of joy, but also of uncertainty.

It’s those early weeks, from the moment of a positive test, where questions and worries arise.

Private viability scans, available from six weeks, offer peace of mind when it’s needed most.

They confirm a baby’s heartbeat, assess gestational age, and check for multiple pregnancies.

For parents who’ve experienced loss or undergone fertility treatments, this early reassurance can be transformative.

At London Pregnancy Clinic, these scans are more than just clinical assessments.

They’re moments. Moments where parents first see their baby and begin to imagine the life they’re creating.

Performed using state-of-the-art ultrasound technology, these scans provide not only precise results but also an emotional bridge until the NHS dating scan at 12 weeks.

MRI: A Window into Complex Cases

While ultrasound is the foundation of prenatal care, MRI—magnetic resonance imaging—has carved a vital role in specific cases.

Unlike ultrasound, which uses sound waves, MRI relies on magnetic fields and radio waves to create highly detailed, cross-sectional images of the fetus and maternal anatomy.

It’s not for every pregnancy, but in complex or high-risk cases, it’s a game-changer. 

Recent innovations in MRI have expanded its capabilities, allowing researchers and clinicians to see pregnancy in unprecedented detail.

MRI has proven a valuable tool for diagnosing rare fetal conditions like brain abnormalities and oesophageal atresia, especially when ultrasound results are unclear.

It is also shedding light on how pregnancy affects maternal health.

Groundbreaking studies have shown that MRI can map changes in the mother’s brain during pregnancy, offering insights into risks such as postnatal depression or conditions like migraines that may improve during gestation.

However, MRI is not a replacement for ultrasound. It is expensive, time-intensive, and less widely available, making it a complementary tool rather than a routine one.

For high-risk pregnancies or cases requiring detailed follow-up, MRI may add a level of precision that ultrasound cannot achieve alone.

The Revolution in Ultrasound Technology

Ultrasound isn’t just holding its ground—it’s leaping forward. It remains the gold standard for monitoring pregnancy because it is safe, affordable, and accessible.

And now, it’s better than ever. The GE Voluson Expert 22, for instance, represents a new era of ultrasound technology.

This isn’t just a machine. It’s a marvel.

Designed for early detection, it excels in first-trimester assessments, fetal cardiac imaging, and complex anatomy evaluations.

The Voluson Expert 22 uses advanced AI to automate key measurements. Tools like SonoLyst, SonoPelvicFloor, and SonoBiometry enhance accuracy, speed, and consistency.

For parents, this means earlier detection of potential concerns. For clinicians, it means greater confidence in every scan.

With cutting-edge 3D and 4D capabilities, this machine offers lifelike views of a baby in the womb. It’s technology that doesn’t just inform—it connects.

It allows to combine the precision of science with the compassion of care, ensuring every parent feels supported and informed.

Looking Ahead

January is a time for beginnings. For expectant parents, it’s the start of an incredible journey.

While MRI advances the science of pregnancy care, ultrasound remains the heartbeat of it all. It’s accessible, reliable, and constantly evolving.

From early viability scans to the anomaly scan at 20 weeks, these moments shape the experience of parenthood.

Pregnancy

Ultrasound Direct extends Trice Imaging partnership

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Ultrasound Direct has extended its Trice Imaging partnership for three years, adding a reporting tool across its 70-clinic UK network.

The private ultrasound provider will continue using the Tricefy platform for secure image storage and patient engagement, alongside TriceIQ for efficiency and productivity analytics.

It will also introduce Trice Workspace Reporting across its network. The companies say the tool will help standardise ultrasound reporting templates and workflows and reduce variation between clinics.

Ultrasound Direct carries out an estimated 120,000 patient scans each year across services including pregnancy, fertility, women’s health, men’s health and other diagnostic pathways.

Its network uses a large pool of sonographers working across different ultrasound systems and serves referral routes including self-referring patients, GPs and commercial partners.

Mike Steward, founding director at Ultrasound Direct, said: “Having worked with Trice Imaging since 2018, we first partnered to replace manual methods of providing scan images to expectant parents with Trice’s secure electronic image-sharing platform. Today, every study performed across the Ultrasound Direct Network is recorded and stored on Tricefy, while our clinical services have expanded considerably beyond pregnancy into fertility, women’s health, men’s health and other diagnostic pathways.”

He added: “To continue futureproofing our image management strategy across a network of 70 clinics, a large team of sonographers, varying ultrasound systems and a growing number of referral partners with different needs, we decided to extend with Trice Imaging. This includes the introduction of the new Trice Workspace Reporting module to help us scale and standardise our ultrasound reporting templates and workflow, reducing variability between clinics.”

The partnership began in 2018, initially focusing on replacing manual methods of sharing pregnancy scan images with expectant parents.

Johanna Wollert Melin, founder and chief executive of Trice Imaging Europe, said: “Ultrasound Direct has been a valued partner in the UK for 8 years.”

She added: “At the heart of the relationship is a willingness to explore new ideas, test new tools and the spirit to solve real challenges across a large and complex clinical network.”

Mark A. Samii, chief revenue officer at Trice Imaging, said: “We are delighted to retain and extend our relationship with Ultrasound Direct.”

He added: “The addition of Trice Workspace Reporting addresses a challenge we hear from multi-site providers globally – keeping reporting quality consistent across many users, systems, referral or payer relationships.”

Steward said Ultrasound Direct continues to see growing demand for private diagnostics alongside NHS care from self-referring patients and an increasingly diverse range of professional and commercial referral partners.

He added: “As that development continues, scalable digital infrastructure becomes increasingly important. Our focus is on ensuring that a growing national network can support consistent clinical workflows, different referral pathways and the technology requirements of the future, while continuing to provide patients with accessible diagnostic services.”

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Paracetamol use may impact future fertility, studies suggest

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Paracetamol use in pregnancy was not linked to autism or ADHD, while separate research found reproductive differences in girls exposed before birth.

One study analysed health records from more than 120,000 children and found no increased risk of autism following prenatal paracetamol exposure.

A separate analysis of nearly 100,000 children also found no increased risk of ADHD among those born to mothers who used the painkiller during pregnancy.

Researchers from the Hong Kong Hospital Authority examined electronic health records covering pregnancies between January 2001 and December 2023.

The autism analysis included 124,333 children, who were nine years old on average and split almost evenly between males and females. There were 3,445 autism diagnoses, representing 2.8 per cent of the group.

The ADHD analysis involved 97,285 children, who were seven years old on average and also split evenly between males and females. There were 5,168 ADHD diagnoses, representing 5.3 per cent.

Women prescribed paracetamol during pregnancy were more likely to be older and have pre-existing conditions including psychiatric disorders, as well as reasons for taking the drug such as infection, fever or chronic pain.

No association was found between prenatal paracetamol exposure and either autism or ADHD.

The findings did not differ according to the trimester in which paracetamol was taken or whether use was intermittent or daily. Advanced maternal age, defined as pregnancy in women over 35, did not alter the findings.

The researchers wrote: “Paracetamol remains a safe and essential analgesic [pain reliever] and antipyretic [fever reducer] during pregnancy, whereas alternatives, such as NSAIDs and opioids carry well-documented risks.

“Unwarranted reluctance to use paracetamol could lead to undertreatment of pain and fever, or the use of more harmful alternatives, both posing risks to the pregnancy and developing fetus.”

The authors said women should assess paracetamol use with guidance from their doctor.

A separate study involving 685 pregnant women without pre-existing conditions and 302 infant daughters found associations between prenatal paracetamol exposure and differences in reproductive organs and hormone levels.

Researchers from Copenhagen University Hospital enrolled the women during their first trimester and assessed them during the first trimester, third trimester and again when their babies were three months old.

At around three months, infants experience a temporary rise in reproductive hormones sometimes called mini-puberty.

Pregnant participants completed questionnaires every two weeks about their use of pain medicines including paracetamol. Infant girls underwent ultrasound scans of their reproductive organs and blood tests to measure hormone levels.

Researchers also examined a separate group of 1,210 girls followed from infancy to adolescence whose mothers reported paracetamol use during the third trimester.

Three-month-old girls exposed to paracetamol before birth had an average 40 per cent smaller ovarian volume, 13 per cent smaller uterine volume and 23 per cent fewer ovarian follicles.

Girls exposed during the first trimester also had lower levels of Anti-Müllerian hormone, a marker of ovarian function.

Among the older girls, those exposed before birth were more likely to have smaller uteruses at puberty and smaller ovaries during their teenage years.

Dr Margit Bistrup Fischer, lead study author and postdoctoral researcher in the Department of Growth and Reproduction at Rigshospitalet hospital in Denmark, said: “Animal studies have demonstrated that impaired formation of ovarian follicles can lead to reduced fertility and earlier reproductive aging.

“Whether the differences observed in our study have implications for fertility and age at menopause in humans remains unknown and will require long-term follow-up of the girls in our cohort.”

She cautioned that women who had used paracetamol during pregnancy “should not be alarmed by our findings”, as the study found associations rather than direct causation and outcomes for individual women and children are unclear.

“Importantly, our study does not evaluate whether [acetaminophen] causes reproductive problems, nor does it provide evidence that prenatal exposure affects future fertility or age at menopause,” she said.

“Although we observed similar associations in an independent cohort, long-term follow-up is needed to determine whether these early-life differences have any clinical significance later in life.”

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Pregnant women prioritised as NHS rolls out flu vaccine

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Pregnant women are among the first groups offered the NHS flu vaccine this winter, which has been updated to better match the subclade K strain.

Schoolchildren are also being prioritised and, like pregnant women, can receive the vaccine from September because they can catch and spread flu easily.

Protecting them also helps others, including younger siblings and grandparents.

Other eligible groups, including people aged 65 and over, will be able to receive a free NHS flu vaccine from October and should receive an invitation by phone or post.

Dr Amanda Doyle from NHS England said: “Last year’s flu season came early and was made worse by a new variant, which had a major impact for patients and put enormous pressure on urgent and emergency care services across the country.

“With the NHS experiencing its busiest summer on record, staff have started preparing for this winter earlier than ever – and with services already under significant pressure, it is vital that everyone offered the vaccine comes forward.”

Last winter’s flu season began more than a month earlier than usual as a new mutated strain circulated.

The strain was sometimes referred to as “Super flu”, although this is not a medical term and does not mean the virus is harder to treat. The name reflected that people had yet to build up immunity against it.

Flu vaccines are updated each year to better match the influenza viruses expected to circulate. These viruses continually mutate, so experts must predict how they are likely to change.

This winter’s vaccine includes changes intended to provide a better match for subclade K.

It remains unclear when flu will begin circulating widely this winter or how severe the season will be. Experts often look at flu activity in southern hemisphere countries such as Australia and New Zealand for indications of how the UK season could develop.

Their flu season peaks in July or August. Australia has recorded fewer cases than last year, while New Zealand has experienced high numbers.

Everyone is at risk of catching flu, regardless of age or how fit and healthy they are.

Doyle said: “Flu can really knock you for six, and for some children and pregnant women it can mean becoming seriously ill or ending up in hospital.”

The flu vaccine cannot give you flu. Instead, it helps the body know how to fight the virus.

Children aged two and over receive a nasal spray version, while adults receive an injection. One dose is needed ahead of winter.

Free NHS flu vaccines are available through pharmacies, GPs and schools. People who are not eligible for a free vaccination can pay around £10 to £20.

Schoolchildren and pregnant women can receive a free NHS flu vaccine from September onwards.

From October, free vaccination will also be available to children aged two or older who have not yet started school, people aged 65 and over, those with certain long-term health conditions, care home residents and carers of older or disabled people, including those receiving a carer’s allowance.

It will also be available to people living with someone who has a weakened immune system and those experiencing homelessness or staying in a homeless hostel or night shelter.

More adults will also be offered vaccination against respiratory syncytial virus (RSV), a virus that attacks the lungs, this winter.

From September, adults with certain pre-existing health conditions, such as chronic lung disease, will be invited for the RSV vaccine when they turn 65 rather than waiting until 75.

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