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Public health workers are quitting over assignments to Guantánamo

Rebekah Stewart, a nurse at the U.S. Public Health Service, got a call last April that brought her to tears. She had been selected for deployment to the Trump administration's new immigration detention operation at Guantánamo Bay, Cuba.

9 Feb 2026

Large Swedish study finds COVID-19 vaccination unrelated to fertility or childbirth rates

A Swedish registry-based cohort study evaluated whether COVID-19 vaccination affected childbirth rates among women aged 18 to 45 years during the pandemic period. No statistically significant association was found between vaccination, childbirth, or recorded miscarriage rates, suggesting demographic and socioeconomic factors likely explain observed fertility trends.

8 Feb 2026

COVID vaccination not linked to reduced childbirth

COVID-19 vaccination is not the cause behind a decrease in childbirth, according to a study from Linköping University, Sweden.

4 Feb 2026

Natural ovulation offers a safer path to IVF success

Researchers compare the effects of natural ovulation and external hormone replacement regimens for preparing the uterus before frozen embryo transfer.

4 Feb 2026

Breastfeeding and pregnancy linked to improved postmenopausal cognition

Female brains have historically evolved to adapt to pregnancy, undergoing structural and functional changes.

3 Feb 2026

Low-intensity pulsed ultrasound shows promise for ovarian function restoration

Announcing a new article publication for BIO Integration journal. Premature ovarian insufficiency (POI) is a complex endocrine disorder characterized by premature depletion of ovarian follicles, and resulting in ovarian failure and decreased fertility.

3 Feb 2026

PFOA exposure disrupts hormone signaling and impairs embryo implantation in mice

A new experimental study has found that perfluorooctanoic acid (PFOA), a widely used industrial chemical, can interfere with key biological processes required for successful embryo implantation, raising concerns about its potential impact on female fertility.

27 Jan 2026

Targeted uterine mRNA treatment boosts fertility outcomes in mice

Researchers from the Wilmer Eye Institute, Johns Hopkins Medicine Center for Nanomedicine - which designs nanotechnology-based platforms for clinical translation across specialties - developed a strategy for delivering therapeutic messenger RNA (mRNA) to the inner lining of the uterus (endometrium) in mice via modified lipid nanoparticles (LNPs), which are small capsules made of fatty molecules.

22 Jan 2026

Sperm RNA aging shift that may explain paternal age effects

Study reveals an 'aging cliff' in sperm RNA, linking age-related changes to early development and highlighting risks associated with advanced paternal age.

22 Jan 2026

Natural ovulation matches hormone therapy success in frozen embryo transfer

Natural ovulation before frozen embryo transfer is as effective as hormone treatment for achieving a healthy baby by vitro fertilization (IVF), finds a clinical trial from China published by The BMJ today.

21 Jan 2026

Peer-supported clinic visits strengthen reproductive choices in rural India

Despite improvements in economic and social empowerment, women in many countries still have little control over their own fertility and reproductive health.

21 Jan 2026

Medicaid tries new approach with sickle cell: Companies get paid only if costly gene therapies work

Serenity Cole enjoyed Christmas last month relaxing with her family near her St. Louis home, making crafts and visiting friends.

21 Jan 2026

How "old RNA" reshapes sperm metabolism

Increasing paternal age has been linked to elevated health risks for the next generation, including higher risks of obesity and stillbirth. But what drives this increased risk remains unknown.

20 Jan 2026

UK patients seeking surgery overseas are returning with complications the NHS must treat

Outward medical tourism for surgery results in serious complications, creating challenges for the NHS and highlighting the need for better patient awareness.

16 Jan 2026

Cervical cancer association with unsafe sex and smoking

The study reveals deep inequalities in cervical cancer mortality linked to smoking and unsafe sex, highlighting the need for targeted prevention strategies.

15 Jan 2026

Long-term study reveals shifting patterns in COVID-19 vaccine hesitancy

Most COVID-19 vaccine hesitancy is rooted in concerns that can be addressed and effectively reduced over time, according to a new study following more than 1.1 million people in England between January 2021 and March 2022 during the COVID-19 pandemic, published in The Lancet.

13 Jan 2026

Higher maternal blood pressure linked to increased risks of pregnancy complications

Helping women to keep their blood pressure at normal levels could reduce their risk of experiencing pregnancy complications, according to a new study led by researchers at the University of Bristol. The research is published in BMC Medicine today [14 January].

13 Jan 2026

Can ketogenic diets help PCOS? New analysis points to weight and insulin gains

A systematic review and meta-analysis of 15 studies found that ketogenic diets were associated with short-term reductions in body weight, waist circumference, insulin resistance, and some reproductive hormones in women with polycystic ovary syndrome, primarily among those with overweight or obesity. However, substantial heterogeneity, low certainty of evidence, limited safety reporting, and short follow-up periods mean the clinical effectiveness and long-term sustainability of ketogenic diets in PCOS remain uncertain.

5 Jan 2026

Private equity firms increasingly dominate fertility clinics in the United States

The rise of private equity firms investing in health care facilities across the United States has been exploding in the last decade.

30 Dec 2025

FDA warns against fake treatments for infertility

You may know someone who has been unable to get pregnant due to infertility issues. According to the Centers for Disease Control and Prevention, about 12 percent of women aged 15 to 44 in the United States have difficulty becoming pregnant or carrying a pregnancy to term.

19 Dec 2025