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Doctors report first pregnancy using AI system to detect sperm in men previously considered infertile

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A couple who had been trying to conceive for 19 years have become the first to achieve pregnancy using an artificial intelligence system designed to detect sperm in men with azoospermia – a condition where no sperm are visible in semen.

The pregnancy was announced in March 2025 by doctors at Columbia University Fertility Center.

It followed the development of the STAR (Sperm Track and Recovery) system, led by Dr Zev Williams, director of the centre.

Male factors are thought to account for around 40 per cent of infertility cases in the US, with azoospermia responsible for roughly 10 per cent of male infertility.

Until recently, there was little doctors could do beyond recommending donor sperm.

Williams explained that semen samples from men with azoospermia can appear normal, but microscopic analysis shows no visible sperm among other cell debris.

As sperm are the smallest cells in the human body, even highly trained technicians often fail to identify them.

The Columbia team spent five years developing STAR, which combines an AI algorithm trained to detect sperm with a fluidic chip that channels the semen through microscopic tubules.

When the AI detects sperm, that portion of the sample is diverted into a separate channel for collection.

The recovered sperm can then be frozen or used for fertilisation.

Inspired by methods used by astrophysicists to find stars and planets, the STAR system is trained to detect what Williams calls “really, really, really rare sperm.”

He said: “If you can look into a sky that’s filled with billions of stars and try to find a new one, or the birth of a new star, then maybe we can use that same approach to look through billions of cells and try to find that one specific one we are looking for.”

He likened the process to finding “a needle hidden within a thousand haystacks,” and noted that STAR is able to do this within a couple of hours and gently enough to preserve sperm for use in IVF.

What makes STAR distinct, he added, is that it not only detects the presence of sperm, but also isolates them automatically—a step that sets it apart from many other AI diagnostic tools.

The system can scan around eight million images in an hour.

Williams recalled the moment he became convinced of the system’s potential: before discarding semen samples deemed sperm-free by embryologists, they were run through STAR.

In one case, after two days of unsuccessful manual searching, STAR found 44 sperm in one hour.

Rosie, 38, who asked to use a pseudonym to protect her identity, and her husband became the first couple to achieve pregnancy using STAR.

They had spent nearly two decades trying to conceive and had undergone 15 unsuccessful IVF cycles. Their Orthodox Jewish faith, Rosie said, kept them hopeful throughout.

Before using STAR, they had explored multiple options to address her husband’s azoospermia, including surgery and bringing in a specialist from abroad to manually search sperm samples.

They also looked into chemical extraction methods, which posed risks to sperm quality.

Rosie said: “There really was nothing else out there.

“Especially because I am running quite a few years ahead of where we should be [for fertility]. I’m not that old, but in fertility years—egg-wise—I was reaching my end.”

They learned about Williams’ programme through a community group and quickly familiarised themselves with the technology.

She said: “We knew exactly what it was, and knew what they were trying to do.

“If they could get sperm in a more natural way without chemicals and hopefully chose the good ones—if the programme was able to do that, we knew we had a better chance.”

The IVF cycle using STAR did not require any extra testing or procedures and followed the same steps as previous attempts.

Rosie said: “We were keeping our hopes to a minimum after so many disappointments.

“We came in, did what we had to do for the cycle, knowing there was probably a very small chance of anything happening. Why should this be any different from every other time?”

Williams explained that in conventional IVF, sperm typically outnumber eggs by a large margin, but in azoospermia cases, the reverse is true.

To maximise the chances of success, his team used STAR to collect several sperm samples in advance, which were frozen.

On the day of egg retrieval, they processed a fresh semen sample through STAR and used any recovered sperm to fertilise the eggs.

The frozen samples were kept in reserve in case no viable sperm were found in the fresh sample.

Within two hours, Rosie was told her eggs had fertilised successfully.

She said: “After the transfer, it took me two days to believe I was actually pregnant.”

Now four months into her pregnancy, Rosie is receiving standard obstetric care, and doctors say everything is progressing normally.

She said: “I still wake up in the morning and can’t believe if this is true or not.

“And I still don’t believe [I’m pregnant] until I see the scans.”

Williams said that azoospermia is just one fertility challenge where AI could be transformative.

Williams said: “There are things going on that we are blind to right now. But with the introduction of AI, we are being shown what those things are.

“The dream is to develop technologies so that those who are told ‘you have no chance of being able to have a child’ can now go on to have healthy children.”

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Peers call on UK government to review fertility and surrogacy laws

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Peers have called for law reform after two House of Lords debates on fertility treatment, surrogacy, embryo research and declining birthrates.

The first debate was put forward by crossbench peer Baroness Ruth Deech, who previously chaired the UK’s fertility regulator, the Human Fertilisation and Embryology Authority.

She discussed proposals from the HFEA to reform the Human Fertilisation and Embryology Act, along with proposals from the Scottish Law Commission and the Law Commission of England and Wales to reform the Surrogacy Arrangements Act.

She called for parliamentary scrutiny of possible changes to regulatory powers, consent rules, donor information and future scientific developments.

Baroness Deech said: “Parliament should plan by setting up a Select Committee to examine the HFEA’s proposals to expand regulatory powers, simplify consent rules, modernise donor information provisions and create a flexible framework for future scientific developments.”

Former fertility professionals were among those contributing to the debate.

Professor Lord Robert Winston, a Labour peer who founded the IVF service at Hammersmith Hospital in London, said: “Infertility is not a disease; it is actually a symptom of something wrong.”

Professor Baroness Geeta Nargund, a Labour peer, current HFEA member and former medical director of CREATE Fertility, disagreed.

She said: “Infertility is a disease, as stated by the World Health Organisation.”

Liberal Democrat peer Baroness Caroline Pidgeon highlighted regional differences in access to NHS-funded fertility treatment.

She cited figures from the Progress Educational Trust’s NHS Fertility Funding Tracker showing that only two of England’s 42 integrated care boards comply with the recently updated fertility guideline published by the National Institute for Health and Care Excellence.

Integrated care boards are local NHS organisations responsible for planning and funding healthcare services in their areas.

Baroness Pidgeon said many boards were offering only a partial IVF cycle rather than a full cycle as defined by NICE.

A full IVF cycle generally includes ovarian stimulation, egg collection and the transfer of all suitable fresh and frozen embryos created during treatment.

Crossbench peer Professor Baroness Clare Gerada, a former president of the Royal College of General Practitioners, said: “The proportion of NHS-funded IVF cycles has fallen to just under 30 per cent, the lowest level since 2008.”

She added that, in relation to IVF, “the NHS system has collapsed”.

Liberal Democrat peer Lord Monroe Palmer said it was “very ironic that it is difficult for many patients to access publicly funded fertility treatment in the very country where IVF was originally pioneered”.

Conservative peer Edward Howard, Earl of Effingham, also raised concerns about the NICE fertility guideline.

He said: “Access remains highly variable across England, because ICBs are not required to implement that guidance.”

He described the situation as “a clear gap between guidance and enforceable entitlement”.

Baroness Deech called for “automatic record sharing between clinics and the NHS central records system”.

Baroness Nargund supported this and linked the ambition to the Single Patient Record in the government’s Ten-Year Health Plan for England and the Health Bill currently before Parliament.

Baroness Pidgeon said such ambitions were at odds with the exceptional degree of medical secrecy that currently applies to IVF.

She also pointed to “a clear desire for the HFEA to be able to permit patients to give generic consent for the use of their embryos in research”.

Patients cannot currently give broad consent for unspecified future research involving their embryos.

Responding for the government, Labour peer Baroness Judith Blake said “immediate legislative reform” was not possible because “the legislative programme for this Parliamentary session is very full”.

Baroness Deech replied: “It might well take some years, but the Government really needs to set up that Select Committee and do the legislative scrutiny right now.”

A second debate on related issues followed immediately afterwards.

Baroness Nargund asked the government “what assessment they have made of the UK’s declining birthrates in an ageing population”.

She also said: “We still have a postcode lottery for IVF provision, with nearly 70 per cent of ICBs funding only one cycle of treatment.”

Responding for the government, Labour peer Lord Philip Wilson said: “The Government are committed to improving fair and equitable access to fertility services, recognising the significant emotional and health impacts of infertility.”

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Why proven women’s health innovations still can’t find a home

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By the Health Innovation Exchange

For more than a decade, femtech’s scale gap has been treated as a funding problem.  What if that diagnosis is incomplete?

Despite growing attention, women founders still receive just 2 per cent of global venture funding, and years of advocacy have failed to shift the needle.

This persistence is no longer just a concern; it signals a deeper structural failure.

This is not just a funding gap.  It is a system failure.

As Pradeep Kakkitill, founder and CEO of the Health Innovation Exchange (HIEx), argues, the sector continues to operate on a flawed assumption.

The belief that better support to founders alone will unlock scale overlooks the deeper structural constraints that determine whether the innovation is adopted at all.

Barriers That Go Beyond Capital

These insights are not theoretical. Global research reinforces that these challenges are not isolated, highlighting structural, financial and systemic barriers that shape how women-led and under-represented ventures access funding, markets and pathways to scale.

Importantly, these findings are not draw from research alone, but from the lived experiences of women and under-represented founders themselves.

Across HIEx-led interviews and focus group discussions conducted as part of the Reckitt Catalyst Programme, founders repeatedly described the same challenges:  fragmented financing, unclear adoption pathways, repeated cycles of proof, and systems that lacked clear routes from validation to procurement and scale.

These experiences suggest that the  barriers facing women-led innovation are not simply financial.  They are structural.

Many high-potential ventures are not failing because funding is absent.

They are failing because the systems that determine scale, including public procurement, regulation and financing, are not built to move proven solutions beyond pilots into widespread adoption.

This is not a founder problem. It is a system design failure.

Beneath these structural constraints sits a more persistent challenge.  Entrenched attitudes shaped by unconscious bias continue to influence decision making.

Across investment and public-sector systems, innovation led by women and underrepresented founders is still frequently perceived as higher risk.

These perceptions shape how opportunities are evaluated, increase the burden of proof placed on founders, and slow decision making.   In practice, this results in systematically higher barriers to both funding and adoption.

Systems Unable to Absorb Innovation

Dr. Abas Hassen, lead executive officer for health innovation and quality at Ethiopia’s Ministry of Health, underscores this point.

The primary constraints are not about innovation quality, but about the systems that determine adoption and scale, including procurement, regulation, financing and delivery.

He identifies three persistent challenges:  institutional resistance to change, “pilot purgatory” where solutions are repeatedly tested but not integrated into public systems, and a disconnect between what external funders support and what governments can sustain.

Ethiopia’s response reflects a broader shift.  Innovation is no longer treated as isolated pilots, but as a structured component of system design.

The country’s system-led innovation model combines regulatory pathways, prioritisation frameworks and structured testing environments to embed innovation directly within the health system.

The implication is clear.

Scaling innovation is not only about accelerating individual ventures alone.  It is about strengthening the systems that determine whether innovation is adopted at scale.

The Missing Middle:  From Pilot to Procurement

In many low- and middle-income countries, public systems remain the largest market for health and WASH solutions, accounting for the majority of service delivery and procurement.

Yet capital is deployed through models that do not reflect this reality, as scaling depends on public-sector adoption, long procurement cycles and regulatory integration rather than rapid returns.

This creates a misalignment within the financial ecosystem, where capital is structured for faster high returns, while impact depends on long-term system integration.

At its core, the challenge is the absence of clear adoption pathways.

Without structured routes from validation to procurement and system-wide use, even effective solutions struggle to move beyond pilots.

This is the “missing middle”, the gap between early validation and large-scale adoption.

The consequences of this “missing middle” are perhaps best illustrated by the founders trying to navigate it.

Temie Giwa-Tubosun, founder and CEO of LifeBank, describes her decade-old company as an “orphan” within existing financial structures, too commercial for impact investors and too impact driven for venture capital.

Businesses operating within health systems often fall between funding models that were not designed for them.

Thato Schermer, co-founder of Zoie Health, describes a similar challenge.

Even companies with strong revenue and clear demand struggle to secure funding at the right stage, as they are assessed through frameworks that do not reflect the healthcare markets.

Across interviews and focus group discussions, these patterns were consistent.

Founders described fragmented financing, unclear adoption pathways, and repeated cycles of proof, where they are asked to keep proving their solutions without a clear route to scale.

These are not isolated challenges.  They reflect how innovation is funded, evaluated and integrated across the system.

The barrier to scale is not a lack of viable solutions.  It is about the systems and models that are not designed to support them.

Reducing Risk Through System Design

From an HIEx perspective, a different approach is emerging, one that focuses not on fixing founders, but on designing how systems manage risk and adopt innovation.

Rather than avoiding risk, Ethiopia is working to manage it through structured processes.

The system is “risk-aware, not risk-averse.”  It uses innovation sandboxes, structured testing environments within public systems that allow new solutions to be evaluated under controlled conditions.

These mechanisms, generate decision-grade evidence while limiting system-wide exposure, creating clearer pathways from validation to adoption.

When innovations are tested within public systems, they gain institutional legitimacy.  This reduces perceived risk for both governments and investors and enables more confident decision making.

From Fragmentation to Coordination

Within this context, initiatives such as Reckitt Catalyst, a multi-partner platform supporting women-led health and WASH innovation to scale, play a critical bridging role.

By connecting entrepreneurs with governments, investors and technical partners, and aligning solutions with national priorities, the programme helps to create clearer pathways from pilot to procurement and scale.

But alignment alone is not enough.

As Pradeep Kakkattil notes, the climate movement offers a useful parallel.  Climate progress was not driven by evidence alone. It accelerated when investors, governments, and institutions began treating inaction as the greater risk.

Sustained pressure exposed the cost of doing nothing, redefined how risk was assessed and ultimately reshaped capital allocation and policy decisions.

Women’s health and WASH innovation is now at a similar inflection point.

Despite years of evidence and advocacy, outcomes such as women receiving a fraction of global funding persist.

This is not due to a lack of solutions. It is because the systems governing investment, adoption and scale have not been sufficiently challenged.

What is required is not incremental progress.

It is a shift in what the system tolerates – how risk is defined, how capital is allocated, and how accountability is enforced.

A System at an Inflection Point

The implications are clear.

Investors must move beyond rigid funding models and deploy capital aligned to how health systems scale.  Governments must build clearer pathways for testing, procurement and adoption.

Ecosystem actors must shift from supporting individual ventures, to enabling system-level integration.

The persistent funding gap is not a result of slow progress; it reflects a system operating exactly as designed. Incremental change will not shift outcomes.

What is required is a fundamental reset of how femtech is financed and scaled:  from passive investment to active market-shaping, where capital, policy, and procurement work together to create real pathways to adoption.

Until that shift happens, the sector will continue to produce innovation that the market is not structured to absorb.

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British women among angriest in Europe, health survey reveals

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British women are among the angriest in Europe, a global health survey has revealed.

More than 20 per cent of women in Britain said they had experienced feelings of rage for much of the previous day.

British women were also 47 per cent more likely to say they felt angry than a year earlier.

The findings were published in the Hologic Global Women’s Health Index, a yearly league table based on polling of more than 76,000 women and girls aged over 15 worldwide.

Anna O’Sullivan, co-founder of women’s health awareness group CensHERship and founder of the FutureFemHealth news platform, told the Daily Mail: “These figures reflect years of long waiting lists, delayed diagnoses and women’s health being treated as an afterthought.

“We’ve seen a significant increase in awareness and discussion about women’s health over the last few years, but access to care has not kept up with that.

“These findings should be a wake-up call that it’s time for long-term, sustainable investment to ensure women can access timely healthcare, trusted information and earlier diagnosis before conditions become more complex and costly to treat.”

The data suggested anger levels among British women have risen sharply.

Rates across the rest of Europe, however, remained broadly the same.

The survey, which involved more than 140 countries, found three in 10 UK women said they felt sadness, compared with the EU average of 25 per cent.

The data, collected in February 2024 and released this week, also showed that around four in 10 women in both the UK and EU felt worry.

A third of women in the UK reported being in pain, up 10 per cent on the previous year.

Three in 10 women also said they lived with chronic health problems, up seven per cent on the year before.

Chronic health problems are long-term conditions that may need ongoing care or management.

Health experts said women in the UK were increasingly frustrated by the gap between the NHS care they expected and the care they received.

The report took a snapshot of the national mood, with participants asked about the emotions they had experienced “during a lot of the day yesterday”.

The UK placed sixth among 37 European countries for anger.

The highest levels were recorded in Malta, where 26 per cent of women reported feelings of rage, followed by Greece at 25 per cent, the Czech Republic and Albania at 23 per cent, and Spain at 22 per cent.

Ireland ranked at 18 per cent, while Germany, France and Switzerland each reported 17 per cent.

Britain has also slipped in Hologic’s overall global rankings for women’s health.

The UK is now 48th, close to dropping out of the top third of countries worldwide, after ranking 40th out of 142 countries last year.

Taiwan ranked first, followed by Latvia, Japan, Vietnam and Poland. Singapore, Germany and Austria were also among the leading countries.

Tim Simpson, a senior manager at Hologic, said: “Women are telling us they want earlier diagnosis and faster access to care.

“Improving women’s health will take continued commitment from policymakers, the NHS, clinicians and industry working together to deliver the changes women are asking for.”

A separate Hologic survey carried out last month found that almost 70 per cent of women had faced delays seeking NHS care in the past five years.

Two in five said difficulties accessing healthcare had left them feeling frustrated or anxious.

The survey’s findings reinforced official figures showing that Britain has become more anxious since before the pandemic.

The Office for National Statistics said 22.5 per cent of UK adults reported “high anxiety yesterday” between July and September 2024, up from 20.4 per cent in the same period in 2019.

Among women, the figure was 26.3 per cent, compared with 18.5 per cent among men.

A Department of Health and Social Care spokesperson said: “It is unacceptable that the UK continues to lag behind other countries when it comes to women’s health.”

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