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Study: Silent Cancer in Moms a Rare Result in Prenatal Tests

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LINDSEY TANNER, AP Medical Writer

CHICAGO (AP) — For pregnant women, abnormal results from certain prenatal tests may signal that something is wrong — with the moms-to-be, not the fetus, a preliminary study suggests.

Very rarely, these results may indicate cancer in the women when follow-up testing shows the fetus is healthy.

The noninvasive tests are increasingly being used to detect fetal chromosome abnormalities, including Down syndrome. They test pregnant women’s blood, which contain small amounts of fetal DNA. But cancer is among conditions that can cause results that mistakenly indicate an abnormality in the fetus, the researchers say. The results are not definitive, although smaller studies have had similar findings.

Some highlights from the research, published online Monday in the Journal of the American Medical Association.

THE DETAILS

The study involved blood tests from more than 100,000 women, processed over nearly three years by a Redwood City, California, laboratory. Nearly 4,000 women, or about 3 percent, had results suggesting fetal chromosome abnormalities. In 10 cases, the babies turned out to be healthy but the women were later diagnosed with cancer, including lymphoma, leukemia and colon cancer.

The study focused on eight of these women, who were diagnosed within weeks to several months of the test.

Most had prenatal tests suggesting more than one chromosome abnormality in the baby. In three women, cancer was diagnosed during a medical work-up prompted by the prenatal test results. Other cancers were discovered after women developed symptoms. Two women had advanced cases.

THE TESTS

Noninvasive prenatal tests for fetal chromosome abnormalities are increasingly being recommended for women at high risk of having a child with Down syndrome; about 2 million tests have been performed worldwide, said lead author Dr. Diana Bianchi. False-positive results are rare; they occur in just 0.2 percent of tests at the lab involved in the study, said Bianchi, executive director of Tufts Medical Center’s Mother Infant Research Institute.

False-positives can occur for several reasons, including a twin pregnancy when one twin dies, and when the mother has a transplanted organ from a male donor. Cancer cells shed DNA that the tests can detect. It’s a rare cause of false-positives but Bianchi said more definitive data are needed to determine the incidence.

THE ADVICE

“We don’t know how many people are walking around with silent cancers this test is accidentally uncovering,” Bianchi said. Women should be aware of the possibility when they seek the prenatal tests, and when results suggest a fetal problem, follow-up testing including amniocentesis is recommended.

But Bianchi said it would be premature to recommend cancer testing for all women whose tests have false-positive results.

A JAMA editorial says more rigorous research is needed to help doctors determine how to counsel these women.

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Online: http://www.jama.com

Prenatal testing: http://bit.ly/1Cv8ZQ0

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AP Medical Writer Lindsey Tanner can be reached at http://www.twitter.com/LindseyTanner

Copyright 2015 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

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Activism

Rep. Kamlager-Dove Introduces Bill to Protect Women in Custody After Reports Detailing Miscarriages and Neglect

The Pregnant Women in Custody Act would expand safeguards beyond the federal prison system to include women detained by U.S. Immigration and Customs Enforcement, U.S. Customs and Border Protection and the Office of Refugee Resettlement. The proposal follows reports of pregnant women being shackled, denied medical care and suffering miscarriages while in immigration detention.

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By Bo Tefu, California Black Media

Congresswoman Sydney Kamlager-Dove (D-CA-37) on May 7, reintroduced updated legislation aimed at strengthening protections and healthcare standards for pregnant and postpartum women held in federal custody, including in immigration detention facilities.

The Pregnant Women in Custody Act would expand safeguards beyond the federal prison system to include women detained by U.S. Immigration and Customs Enforcement, U.S. Customs and Border Protection and the Office of Refugee Resettlement. The proposal follows reports of pregnant women being shackled, denied medical care and suffering miscarriages while in immigration detention.

The legislation builds on a bipartisan version previously passed by the House during the 117th Congress. The updated bill includes new standards for healthcare access, mental health and substance use treatment, high-risk pregnancy care, family unity protections and increased federal oversight.

“Proper pregnancy care is a human right, regardless of your immigration or incarceration status,” Kamlager-Dove said in a statement. “It’s unacceptable that there are virtually no legal safeguards for pregnant women in federal custody.”

The bill would also limit the use of restraints and restrictive housing for pregnant women, improve data collection on maternal health in custody and require additional staff training and enforcement measures.

Supporters of the measure said the legislation is intended to address long-standing concerns about maternal healthcare and safety in detention settings, particularly for Black women and low-income women who are disproportionately impacted by incarceration and health disparities.

“Pregnant women in custody should never be subjected to dangerous and inhumane treatment that threatens their health, dignity, or the well-being of their babies,” said Patrice Willoughby, chief of policy and legislative affairs for the NAACP and a longtime public policy and government affairs strategist, in a statement.

A 2021 report estimated there are about 58,000 admissions of pregnant women into U.S. jails and prisons each year. Kamlager’s statement also cited a recent investigation by NBC News and Bloomberg Law that identified allegations of severe mistreatment or medical neglect involving at least 54 pregnant women or families in county jails between 2017 and 2024.

Federal policy under the Department of Homeland Security restricts the detention of pregnant, postpartum and nursing immigrants except in extreme cases. However, the agency reported that ICE deported 363 pregnant, postpartum or nursing women between January 2025 and February 2026, including 16 recorded miscarriages during that period.

The bill is cosponsored by several House Democrats and backed by organizations including the NAACP and the Vera Institute of Justice.

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Bay Area

How Is AI Affecting California? The State Wants You to Share Your Story

The program marks the first time the state has opened the platform to all Californians. State officials said the effort is designed to give residents a direct role in discussions about how AI should be regulated and used as the technology rapidly expands across industries.

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By Bo Tefu, California Black Media  

Gov. Gavin Newsom announced May 7 that California is expanding its Engaged California digital democracy initiative statewide, inviting residents to help shape future state policies on artificial intelligence (AI) and its impact on jobs and the economy.

The program marks the first time the state has opened the platform to all Californians. State officials said the effort is designed to give residents a direct role in discussions about how AI should be regulated and used as the technology rapidly expands across industries.

“We’ve got to be clear-eyed about this moment: AI is moving fast, bringing enormous opportunity, but also real risks,” Newsom said in a statement. “Californians deserve a seat at the table as we shape what’s to come.”

The initiative will roll out in two phases. Beginning immediately, Californians can sign up online to share how AI is affecting their work and communities and provide ideas for possible government action. Later this summer, a smaller group reflecting the state’s workforce demographics will participate in live discussions focused on developing policy recommendations.

State officials said the goal is to identify areas of agreement among Californians and provide policymakers with public feedback as the state develops future AI regulations and workforce strategies.

Engaged California is modeled after digital democracy programs used in Taiwan and is intended to encourage structured public discussion rather than social media-style debate. Officials described the effort as a form of “deliberative democracy” aimed at helping residents engage directly in state decision-making.

“The more Californians are engaged in the democratic process, the better able we’ll be to confront the challenges we face together,” said Nick Maduros, California Secretary of Government Operations, in a statement.

The statewide launch builds on two earlier pilot programs. One pilot gathered public input following the Los Angeles firestorms to help guide recovery efforts, while another collected ideas from state employees about improving government operations.

California has positioned itself as a national leader in AI policy and development. Since 2023, the Newsom administration has introduced initiatives focused on responsible AI use in government, cybersecurity protections, workforce training and regulations targeting risks such as deepfakes and AI-generated robocalls.

The state has also partnered with companies in Silicon Valley — including NVIDIA, Google, Adobe, IBM and Microsoft — to expand AI education and workforce training programs across California schools and universities.

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Activism

California Launches Free Diaper Program for Newborns Statewide

The initiative, called Golden State Start, will provide 400 free diapers to every newborn delivered at participating California hospitals beginning this summer. The state is partnering with Baby2Baby, a California-based nonprofit that distributes essential items to children in need nationwide.

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By Bo Tefu, California Black Media

Gov. Gavin Newsom announced Friday that California will launch a first-in-the-nation program providing free diapers to families with newborns, part of a broader effort to lower costs for parents and improve infant health outcomes.

The initiative, called Golden State Start, will provide 400 free diapers to every newborn delivered at participating California hospitals beginning this summer. The state is partnering with Baby2Baby, a California-based nonprofit that distributes essential items to children in need nationwide.

State officials said hospitals participating in the program will give families the diapers when they are discharged after birth, helping parents leave with an immediate supply of newborn essentials.

“Every baby born in California deserves a healthy start in life,” Newsom said in a statement. He said the program is part of California’s broader affordability efforts, which also include free school meals, universal preschool for four-year-olds and expanded after-school programs.

The announcement comes ahead of Mother’s Day and is tied to the administration’s broader CalRx initiative, which aims to reduce costs for essential products and medications. State officials said California is also exploring ways to lower diaper prices by challenging high costs from major brands.

The first year of the program will prioritize hospitals serving large numbers of Medi-Cal patients, with plans to expand to additional hospitals and birthing centers over time. Officials said the effort is intended to reduce financial pressure on low-income families and improve infant and maternal health by ensuring parents have access to clean diapers.

“California families deserve to feel supported during one of life’s more exciting, yet vulnerable transitions,” First Partner Jennifer Siebel Newsom said in a statement. She said the program would allow parents to focus on caring for their newborns instead of worrying about basic supplies.

According to Baby2Baby, one in two families in the United States struggles to afford diapers. The organization has distributed more than half a billion items to children over the past 15 years through partnerships with shelters, hospitals, foster care programs and schools.

State officials said Baby2Baby will oversee diaper purchasing, warehousing and distribution through its existing hospital and community partnerships across California.

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