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Obstetrics & gynecology news
New stem cell models reveal how earliest human placenta structures take shape
The placenta is essential for a healthy pregnancy, but the earliest steps of its formation have been hidden from scientific view. Now Columbia researchers led by Mijo Simunovic have created lab-grown organoids that reconstruct ...
15 hours ago
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Cannabis addiction in pregnancy linked to higher risk of postpartum psychiatric crises
Women diagnosed with cannabis use disorder during pregnancy were more likely to end up in an emergency room for a psychiatric problem in the year after giving birth, according to a study of more than 2 million California ...
9 hours ago
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How babies are born knowing the difference between day and night
Before a baby sees its first sunrise, it is already receiving signals about day and night. Melatonin, a hormone released mainly at night, can pass from the mother through the placenta. The placenta supplies the developing ...
13 hours ago
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Blood RNA signal may reveal ovarian cancer precursors before invasive disease develops
Hoag researchers have discovered a molecular warning signal in the blood that identifies serous tubal intraepithelial carcinoma (STIC), an early, precancerous stage of high-grade serous ovarian cancer (HGSOC). This advance ...
Nov 10, 2026
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Severe premenstrual mood disorder has three subtypes, symptom diaries suggest
Premenstrual dysphoric disorder (PMDD) is a common mood disorder associated with the menstrual cycle. A new study published in Nature Communications shows that PMDD does not follow any universal pattern and that there are ...
Nov 10, 2026
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Semaglutide may lower fetal oxygen levels, sheep study suggests
They're the blockbuster drugs transforming weight loss, helping millions of people to shed unwanted kilograms. But while medications such as Ozempic and Wegovy may also improve women's chances of becoming pregnant, what happens ...
Nov 10, 2026
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Nearly 3 in 4 couples with unexplained infertility have a baby within two years of starting treatment
A new study has found nearly 3 out of 4 couples with unexplained infertility had a baby within two years of starting treatment, whether they received in vitro fertilization (IVF) or intrauterine insemination (IUI). While ...
Nov 9, 2026
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Q&A: Researcher investigates pharmacological approaches to breast cancer prevention
In a new thesis, Mattias Hammarström studied whether lower doses of tamoxifen and also its active metabolite endoxifen for direct administration, as a preventive medication could reduce side effects while still affecting ...
Nov 9, 2026
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Doxycycline use in early pregnancy associated with higher risk of pregnancy loss
A retrospective, active-comparator cohort study found that doxycycline use for respiratory tract infections or acne during early pregnancy was associated with an increased risk for pregnancy loss. Given the frequent use of ...
Nov 9, 2026
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Potential driver of severe early-onset preeclampsia identified
Severe early-onset preeclampsia has confounded doctors for more than 2,000 years. It can strike as early as 20 weeks into pregnancy, sending blood pressure soaring and putting both the mother and baby at risk.
Nov 7, 2026
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Mother and baby's immune cells linked to aggressive placental inflammation in preterm cases
In a healthy pregnancy, a finely tuned maternal immune response prevents the mother's body from rejecting the growing fetus. But in some pregnancies, this response goes haywire, leading to a potentially dangerous complication ...
Nov 6, 2026
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Researchers develop more precise way to identify preeclampsia from electronic health records
Researchers at King's College London have found a more effective method for identifying preeclampsia from electronic health records (EHRs), allowing them to capture cases and associated adverse outcomes that existing methods ...
Nov 6, 2026
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Q&A: How do infections get past the placenta's defenses?
For nine months, the placenta is the primary support system of the fetus, providing both nourishment and protection. Within hours of birth, it is usually discarded as medical waste. But this organ carries clues to the child's ...
Nov 6, 2026
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EARLY-PREG enables day-by-day tracking of thousands of proteins in the female reproductive tract
A study by MELISA Institute, published in Scientific Reports, shows how researchers can track thousands of proteins in cervicovaginal fluid over seven consecutive days. By analyzing samples collected daily from the same women, ...
Nov 5, 2026
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Condition causing lifelong high cholesterol linked to pregnancy complication
Women with the inherited cholesterol condition familial hypercholesterolemia may be at a slightly higher risk of developing preeclampsia, a pregnancy condition that can cause serious complications, according to a new study ...
Nov 5, 2026
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Maternal vitamin A deficiency may increase risk of larger babies
A study in Norway has identified a link between a mother's vitamin A levels and her baby's birth weight. The study shows that over 43% of the women had low vitamin A levels during the latter part of their pregnancy. While ...
Nov 5, 2026
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Digital therapy offers new way to prevent worsening anxiety around childbirth
Pregnant women with undiagnosed anxiety could benefit from a new digital therapy, according to a clinical trial led by King's College London. Published in JAMA Network Open, the results from the REducing Levels of AnXiety ...
Nov 4, 2026
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Longer estrogen exposure linked to better brain vessel health in older women
Women who had a longer reproductive period and had used or are using hormone replacement therapy showed fewer signs of damage to the small blood vessels in the brain later in life. This is shown by a study led by researchers ...
Nov 4, 2026
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What science says about perimenopause, menopause and mood swings—minus the hype
After decades of relative neglect, menopause is suddenly everywhere—in the news, on social media and in conversations among friends. Some are calling it the "meno-boom," and booms attract business.
Nov 4, 2026
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Mother-infant bonding linked to brain connectivity before birth
Pregnancy is a period of change and adaptation, characterized by psychological and neurobiological changes associated with the transition to motherhood and the development of caregiving behaviors. One of the central aspects ...
Nov 4, 2026
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Newborn deaths fell by 50% in Flint following the launch of Rx Kids, new research finds
A new study published in JAMA Pediatrics has found that neonatal mortality—the death of an infant within the first 28 days of life—fell by 50% following the launch of Rx Kids, while early neonatal mortality—the death of an ...
Nov 3, 2026
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AI-supported screening strategy could improve cervical cancer detection in low-resource settings
Combining HPV testing with artificial intelligence–based image analysis has shown efficacy in detecting precancerous lesions and guiding treatment decisions, according to a study led by the Barcelona Institute for Global ...
Nov 3, 2026
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Menopause can quietly weaken bones—here's what research reveals about protecting them
A skeleton hanging on a door or standing in your neighbor's yard for Halloween looks like a finished structure. But the skeleton inside a living body is constantly changing. Around menopause, those changes can tip toward ...
Nov 3, 2026
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Cervical cancer cases and deaths forecast to rise
Global cervical cancer cases and deaths could rise by 20.2% and 39.3%, respectively, by 2050, according to a modeling study published in Nature Medicine. The findings suggest that the burden of cervical cancer will remain ...
Nov 2, 2026
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