News
‘It ignores the reality’: experts react to controversial US maternal health study
Experts have questioned a new study challenging the extent of the US maternal health crisis

One study alone does not reverse a body of research, experts have warned, after a new paper has called into question the high maternal mortality rates in the US.
The report has challenged the scale of the maternal health crisis in the US, claiming that data classification errors have “inflated” maternal death rates for two decades.
It said that a change in the way pregnancy was noted on death certificates 21 years ago to improve the detection of maternal deaths led to “substantial misclassification” and an “overestimation of maternal mortality”.
Instead of the maternal death rate more than doubling since 2002, it has remained flat, the paper found.
However, experts have told Femtech World that blaming methodology differences around how mortality calculations are done ignores the harsh reality of what women giving birth in the US face.
“The reality is that mortality rates are a very narrow representation of the maternal health crisis in the US — they simply do not reflect the severity of the problem,” said Anu Sharma, founder and CEO of California-based maternity clinic Millie.
“Regardless of whether or not this specific data has been miscalculated, we undoubtedly have high rates of maternal morbidity, with nearly 50,000 near misses a year, as well as high rates of C-sections, preterm births, NICU stays and poor maternal mental health. On top of that, racial disparities for Black birthing people are significant, as this study continues to affirm.
“None of this is getting better in the face of the massive OB/GYN shortages we’re seeing nationwide, with labour and delivery unit closures happening daily.
“Reducing the US maternal health crisis to methodology differences around how mortality calculations are done, ignores the harsh reality of what mothers giving birth in the US face today.”
Dr Alison Cowan, OB/GYN and head of medical affairs at Mirvie, said: “The Centers for Disease Control and Prevention (CDC) and American College of Obstetrics and Gynecologists publicly disagreed with this analysis. The CDC specifically stated that they feel the paper underestimates maternal mortality.
“What no one is disputing is maternal health is in crisis and we need to devote more resources, not fewer, to solve these challenges.”
Dr Linda Genen, chief medical officer at ProgenyHealth, described the world of data analysis and reporting as challenging, and said that it is frequently hard to have consensus around methodology.
“The article and resulting statements by the CDC and ACOG are case in point. One study alone does not reverse a body of research,” she explained.
Regardless of the various reporting approaches, she said, the United States continues to have a problem that it should strive to solve.
“Having a stable maternal mortality number versus a rising maternal mortality number is not the key issue. The primary issue is that we have maternal death rates in a developed nation that is higher compared to other wealthy countries.”
Dr Sarah Oreck, reproductive psychiatrist and co-founder of Mavida Health, said what is inferred when evidence like this comes out is that maternal deaths are really not a problem. In reality, the findings paint a different picture.
“When you look under the hood of this study, the authors are arguing that maternal mortality only rose slightly over a 20-year period, but the trend that is hidden in those averages is a 17 per cent decrease in direct obstetrical deaths, from complications such as preeclampsia, corresponding with improvements in obstetrical care, but also a 45 per cent increase in indirect obstetrical deaths, from mental health disorders such as substance use and suicide, and a 329 per cent increase in late maternal deaths.
“These data points suggest that while we have been doing a better job of catching and treating physical disorders of pregnancy and birth in the last 25 years, our attention to mother’s mental health and the ongoing care of mothers following a delivery has been precipitously declining.”
Oreck said any movements towards better data collection should be celebrated but she warned that it is vital not to lose sight of how much still needs to change to better support mums and children.
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News
Don’t miss HTW’s upcoming deep dive into health AI

Our sister publication Health Tech World brings its first live event to London this summer, gathering the people building, buying and regulating healthcare AI for a single afternoon. With a full line-up confirmed and two months to go, tickets are open now, and this first edition is one to book early.
Health Tech World Live, the debut live event from FemTech World’s sister title Health Tech World, makes its first appearance on Friday 21 August, bringing clinicians, founders, developers, NHS commissioners and investors together at Teesside University London in Stratford for an afternoon on where healthcare AI goes next. The programme is confirmed, and with two months to go, it is worth booking your place while the diary is still clear.
The line-up for this first edition reads like a who’s-who of UK health AI. Speakers include Dr James Harmsworth King, Chief Medical Strategy Officer at Numan, fresh from the MHRA’s AI Airlock; Dr Sonia Szamocki, founder and CEO of 01Health; Hugo Dragonetti of NHS London Procurement Partnership; Mikael Kågebäck, CTO at Sleep Cycle; Max Gattlin, Commercial Director at X-on Health; and Marcus Vass, Head of Digital Health at Osborne Clarke, with proceedings chaired by Alastair MacColl.
Across six sessions, the afternoon moves from scaling specialist care and smarter NHS procurement, through responsible delivery and consumer AI, to fair access to GP care and the regulation underpinning all of it. Between the talks, delegates get time with the speakers and the Health Tech World editorial team, the kind of access that is hard to come by anywhere else.
It is shaping up to be one of the summer’s standout dates in health tech, and a launch worth being part of from the start. If you are planning to be there, now is the time to get it booked.
The future of healthcare AI: strategies, opportunities and vital insights
When: Friday 21 August 2026, 12 noon to 4pm
Where: Teesside University London Campus, Queen Elizabeth Olympic Park, 14 East Bay Lane, London, E15 2GW
Tickets: £99

Fertility
Immunotherapy may temporarily restore fertility in premature menopause

Immunotherapy may temporarily restore fertility in women with autoimmune premature ovarian insufficiency, a pilot study suggests.
Three of the 10 women who received treatment later gave birth to healthy babies.
Premature ovarian insufficiency, or POI, affects just over three per cent of women worldwide and occurs when the ovaries stop functioning before the age of 40.
The condition significantly reduces fertility and can have several causes, including autoimmune processes and genetics.
Researchers at Karolinska Institutet examined whether immunotherapy could make the ovaries temporarily responsive to hormonal stimulation in women with POI caused by autoimmunity.
The study included 12 women aged between 18 and 35 with autoimmune POI.
Two withdrew before treatment began. The remaining 10 underwent ovarian hormone stimulation before receiving rituximab and again four to six months after treatment.
Rituximab is an approved and well-established medicine used to treat several autoimmune conditions and cancers.
None of the women responded to ovarian stimulation before receiving the drug.
After treatment, six developed follicles that made it possible to retrieve eggs in response to ovarian stimulation.
Follicles are small sacs within the ovaries where eggs develop.
Professor Angelica Lindén Hirschberg, the study’s first author and a professor at Karolinska Institutet’s Department of Women’s and Children’s Health, said: “The results show that in some women there remains an egg reserve that can be activated when the autoimmune process is suppressed.”
In five women, mature eggs could be frozen or fertilised.
Three later had embryos transferred and all three gave birth to healthy babies.
For safety reasons, the embryo transfers took place no earlier than one year after treatment.
One serious side effect was reported and was linked to the hormone stimulation rather than the immunotherapy.
Women with autoimmune POI commonly have other autoimmune diseases.
All six women who responded to the treatment also had autoimmune Addison’s disease, a condition in which the immune system destroys the adrenal glands.
The study was a proof-of-concept investigation without a control group and involved a small number of participants, meaning the findings must be interpreted cautiously.
A proof-of-concept study is an early investigation designed to assess whether an approach could work before it is tested more widely.
Professor Lindén Hirschberg said: “This is a first step. To determine whether the method is effective and safe, larger, randomised studies are required.”
The research team has launched a larger randomised study.
The work was carried out by researchers at Karolinska Institutet, Karolinska University Hospital and the University of Bergen.
It was funded by organisations including the Swedish Research Council, the Knut and Alice Wallenberg Foundation, the Novo Nordisk Foundation and Region Stockholm.
The researchers reported no conflicts of interest.
POI is also linked to long-term health risks caused by oestrogen deficiency, including osteoporosis, an increased risk of cardiovascular disease, cognitive decline and poorer mental and sexual wellbeing.
Hormone replacement therapy can relieve menopausal symptoms and reduce many of these risks, but no treatment has been reliably shown to restore fertility in women with POI.
Egg donation was previously the only option for women with the condition who wanted to become pregnant.
Entrepreneur
Xella launches AI-powered precision health platform

Xella Health has launched what it calls the first AI precision health platform built for the XX chromosome.
The company says it aims to address a lack of diagnostic precision and clinical research focused on female biology.
Women make up half of the population and account for 80 per cent of consumer healthcare decisions, but research into women’s health has historically received less funding than male-focused studies.
Kelly Lacob, Xella Health co-founder and chief executive, said: “Women have been trapped in a diagnostic dark age experiencing debilitating symptoms like severe period pain, bloating and GI issues, exhaustion, and brain fog, routinely dismissed by the healthcare system.
“This dismissal results in women being diagnosed four years later than men, on average, for the same conditions, and a seven-to-10-year delay for women to receive an accurate diagnosis for conditions like endometriosis.
Stalling necessary care and treatment results in prolonged suffering with chronic pain, heightened infertility risks, and declining mental health.
Xella is here to replace the systemic medical gaslighting women have endured for generations.
We are handing women the evidence and information they need to advocate for themselves and secure faster, accurate diagnoses before early-stage conditions spiral.”
Xella says its AI examines billions of data points from clinical information and multi-omic biomarkers to assess the probability of more than 130 conditions specific to female biology.
Multi-omic data combines information from several biological areas, including genes, proteins and hormones.
The conditions assessed include polyendocrine metabolic ovarian syndrome, or PMOS, formerly known as polycystic ovary syndrome, as well as perimenopause and endometriosis.
Xella was founded by Lacob, Adriana Dantas and Dr Jesus Ching, who developed the concept while working together on molecular diagnostics at Mammoth Biosciences.
The founders say the platform is designed to provide information about possible underlying causes through advanced testing and long-term care of a kind often available only through expensive concierge services.
They drew on personal experiences to build a service intended to identify small changes in a woman’s biological baseline.
Members complete an initial health questionnaire before having blood taken at a local partner laboratory such as Quest or Labcorp.
A phlebotomist can also visit a member’s home for an additional charge.
The company’s AI analyses biomarker data from genomics, proteins and hormones alongside symptoms, lifestyle risks and medical history.
Xella says this information is used to screen for more than 130 female-specific conditions, including PMOS, Hashimoto’s disease, premenstrual dysphoric disorder, endometriosis and perimenopause timelines.
Hashimoto’s disease is an autoimmune condition in which the immune system attacks the thyroid gland.
Premenstrual dysphoric disorder, or PMDD, is a severe form of premenstrual syndrome that can cause significant emotional and physical symptoms.
The results are processed through Xella’s own dry laboratory, which the company says is certified under the US Clinical Laboratory Improvement Amendments and accredited by the College of American Pathologists.
A dry laboratory analyses data using computing and other non-experimental methods rather than carrying out traditional laboratory procedures.
The findings are turned into a personalised healthcare plan and reviewed with a certified telehealth doctor.
The doctor may recommend immediate clinical action, including personalised hormone therapy or referrals to genetic counsellors, pelvic floor physiotherapists and reproductive endocrinologists.
Reproductive endocrinologists are doctors who specialise in hormones, fertility and reproductive health conditions.
Dantas, co-founder and chief operating officer, said: “Women’s health data has historically been treated in isolated silos – a hormone test here, an ultrasound there – but no one was connecting the dots across the entire biology.
“By tracking unique biological patterns longitudinally across cycles and life stages, we aren’t just providing data, but a clear path forward.”
Xella’s clinical advisers include Dr Allison Kurian, director of Stanford Women’s Clinical Cancer Genetics Program and professor of medicine, epidemiology and population health at Stanford.
They also include Dr Lynn Westphal, a reproductive endocrinology and infertility specialist and chief medical officer of Kindbody.
Xella has received US$4.7m in angel and pre-seed funding from Precursor Ventures, Capital F, Ulu Ventures and Swizzle Ventures.
Other funds and angel investors from healthcare, diagnostics and consumer technology also participated.
Margaret Coblentz, co-founder and general partner of Capital F, said: “Women’s health is one of the highest-momentum categories in the market today, driven by a US$15tn female economy.
“Xella represents exactly how Capital F sees women’s health evolving: deep clinical expertise paired with a consumer-first mindset, and a genuine opportunity to unlock the next generation of healthcare.”
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