https://ki.se RSS News Listing https://news.ki.se/new-course-in-gynaecology-to-strengthen-nurses-expertise From the spring semester of 2026, Karolinska Institutet will offer a new commissioned education course in gynaecology for nurses. Tue, 02 Sep 2025 09:32:33 +0200 https://news.ki.se/premenstrual-symptoms-linked-to-increased-risk-of-cardiovascular-disease Women diagnosed with premenstrual symptoms have a slightly increased risk of developing cardiovascular disease later in life. This is shown by a new study from Karolinska Institutet published in Nature Cardiovascular Research. Fri, 11 Jul 2025 11:12:04 +0200 https://news.ki.se/difficult-childhood-experiences-may-increase-the-risk-of-endometriosis A new study from Karolinska Institutet involving over a million women links difficult childhood experiences to the risk of being diagnosed with endometriosis later in life. The study shows a link between childhood exposure to violence and a twofold increase in the risk of developing this gynaecological disease. Wed, 11 Jun 2025 10:00:11 +0200 https://news.ki.se/cell-atlas-of-the-endometrium-in-women-with-pcos-may-lead-to-better-treatment Women with polycystic ovary syndrome (PCOS) find it harder to get pregnant, have more frequent miscarriages and have a higher risk of developing endometrial cancer. Now, in a new study published in Nature Medicine, Swedish researchers have shown that the uterine lining of these women differs in terms of both the composition of individual cells and gene expression. The results open the door to new drug treatments. Thu, 20 Mar 2025 11:00:16 +0100 https://news.ki.se/new-method-could-improve-cervical-cancer-screening Analyses of self-tests for human papillomavirus (HPV) can be used to divide HPV-positive women into three risk groups, according to a new study from Karolinska Institutet and Queen Mary University of London published in PLOS Medicine. This method could be important for enhancing cervical cancer screening. Fri, 13 Dec 2024 11:53:19 +0100 https://news.ki.se/women-who-suffer-pregnancy-complications-have-fewer-children Women who suffer severe complications during their first pregnancy or delivery are less inclined to have more babies, a study published in JAMA by researchers at Karolinska Institutet reports. Given the recent steady decline in birth rate in Sweden, the researchers propose monitoring in antenatal care to address the problem. Mon, 25 Nov 2024 17:00:09 +0100 https://news.ki.se/ai-method-for-detecting-biliary-tract-cancer-on-ivas-100-list The Royal Swedish Academy of Engineering Sciences (IVA) has published this year's 100 list of the most promising research projects from Sweden's colleges and universities. All applications to the list have been reviewed by IVA's expert group and the selected projects are considered to have great potential to benefit society. The list includes several projects involving researchers at Karolinska Institutet. Thu, 14 Nov 2024 17:18:09 +0100 https://news.ki.se/ki-researchers-lead-a-pilot-hpv-self-screening-programme-in-ukraine Cervical cancer is a major global health problem. It ranks as the fourth most common cause of cancer-related deaths among women, despite the disease being largely preventable. Now, researchers from Karolinska Institutet have received funding from the UICC to investigate how an HPV self-screening programme can be implemented in war-torn Ukraine. Wed, 11 Sep 2024 10:38:54 +0200 https://news.ki.se/hot-flushes-are-associated-with-cardiovascular-risk-1 Severe, lasting hot flushes during menopause are associated with atherosclerosis in the coronary artery, new research from Karolinska Institutet and Linköping University and published in the Journal of the American Heart Association reveals. Tue, 03 Sep 2024 17:04:39 +0200 https://news.ki.se/new-technique-allows-comprehensive-genetic-testing-of-embryos Researchers from Karolinska Institutet and Maastricht University have developed a technique that enables the examination of embryos for all known genetic abnormalities with a single test. The new method is more accurate and faster than existing techniques, increasing the chance of a healthy child for parents at increased risk of inherited conditions. The research was published today in Nature Communications Mon, 02 Sep 2024 13:04:01 +0200 https://news.ki.se/perineal-cut-reduces-the-risk-of-serious-birth-injury In first-time mothers requiring vacuum-assisted delivery, a lateral episiotomy (angled cut) in the tissue between the vaginal and anal opening more than halves the risk of obstetric anal sphincter injury, a severe form of perineal trauma between the vulva and anus. This according to a randomised clinical study led by researchers at Karolinska Institutet and Stockholm’s Danderyd Hospital, the results of which are published in The BMJ. Tue, 18 Jun 2024 15:53:53 +0200 https://news.ki.se/angelique-bridges-the-world-of-clinic-research-and-teaching-at-kbh Angelique has a background in KI, where she obtained her medical degree, her path has been paved through many years of clinical service at Karolinska University Hospital and she is a specialist in both gynecology & obstetrics and gyneoncology. Tue, 16 Apr 2024 08:35:41 +0200 https://news.ki.se/bidirectional-link-between-premenstrual-disorders-and-perinatal-depression Women with premenstrual syndrome (PMS) or premenstrual dysphoric disorder (PMDD) have a higher risk of perinatal depression. Conversely, women with perinatal depression have a higher risk of developing premenstrual disorders. This is shown in a study from Karolinska Institutet published in the journal PLOS Medicine. Thu, 28 Mar 2024 19:00:11 +0100 https://news.ki.se/new-discovery-reveals-how-the-egg-controls-sperm-entry After the egg has been fertilized by a sperm, the surrounding egg coat tightens, mechanically preventing the entry of additional sperm and the ensuing death of the embryo. This is according to a new study led by researchers at Karolinska Institutet and published in the journal Cell. The work also explains how mutations in egg coat proteins can cause female infertility and may eventually lead to new contraceptive methods. Thu, 14 Mar 2024 16:00:08 +0100 https://news.ki.se/future-cancer-treatment-and-fertility In recent years, the treatment landscape for solid tumors has undergone a notable change. With new cancer treatments, the future looks brighter for many young cancer patients, making fertility issues and future family planning an important aspect. Six specialists in oncology and onco-fertility at the Department of Oncology-Pathology join forces to compile knowledge and recommendations on this important issue. Wed, 13 Mar 2024 07:51:27 +0100 https://news.ki.se/early-body-contact-develops-premature-babies-social-skills Skin-to-skin contact between parent and child during the first hours after a very premature birth helps develop the child's social skills. This is according to a new study published in JAMA Network Open by researchers from Karolinska Institutet and others. The study also shows that fathers may play a more important role than previous research has shown. Thu, 30 Nov 2023 17:03:58 +0100 https://news.ki.se/pauliina-damdimopoulou-receives-erc-consolidator-grant-for-research-on-womens-fertility KI-researcher Pauliina Damdimopoulou has been awarded a EUR 2 million ERC Consolidator Grant (European Research Council) for the SAFER project (SAfeguarding female FERtility-development of human-relevant in vitro tools for reproductive toxicity). The research will investigate the impact of commonly occurring environmental chemical contaminants on women's reproductive health. The grant is awarded under Horizon Europe, the EU's programme for research and innovation. Thu, 23 Nov 2023 12:17:29 +0100 https://news.ki.se/researchers-examine-role-of-b-cells-in-pcos Polycystic ovary syndrome (PCOS) is a common hormone disorder in women. Studies have shown that the change in hormones is accompanied by variations in immunological B cells. Researchers at Karolinska Institutet have now established that the syndrome is not caused by B cells, the role of which remains unclear. The study is published in eLife. Wed, 05 Jul 2023 15:24:04 +0200 https://news.ki.se/scientists-develop-a-new-hormone-free-contraceptive Researchers from KTH Royal Institute of Technology (KTH) and Karolinska Institutet are part of a collaborative study that has made progress in the testing of an innovative contraceptive method, a vaginal gel, that preclinical studies have shown prevents sperm from reaching the egg. The results are described in a paper published in the journal Science Translational Medicine. Thu, 01 Dec 2022 10:55:27 +0100 https://news.ki.se/telemedicine-can-give-vulnerable-women-access-to-safe-medical-abortions A new study published in The Lancet shows that medical abortion can be carried out both safely and effectively via telemedicine, without a routine ultrasound examination. The study, which is a collaboration between researchers at Karolinska Institutet and the University of Cape Town in South Africa, highlights the opportunities to provide safe and effective abortion services in low-resource settings. Wed, 07 Sep 2022 06:57:25 +0200 https://news.ki.se/contraceptive-advice-save-lives Having a baby at an early age is fraught with risk. Advice from other teenagers can be one way of increasing the use of contraceptives amongst refugee girls in Uganda. Mon, 05 Sep 2022 08:08:24 +0200 https://news.ki.se/no-difference-in-sexual-well-being-regardless-of-the-mode-of-delivery-after-18-years Researchers at Karolinska Institutet and the University of Bristol have investigated the relationship between mode of delivery and sexual well-being several years after childbirth. The study, published in the journal BJOG, showed no difference in sexual frequency or sexual satisfaction in women who were delivered vaginally or by caesarean section. Mon, 22 Aug 2022 15:26:23 +0200 https://news.ki.se/hormonal-breast-cancer-treatment-reduces-long-term-risk-of-recurrence To investigate the long-term benefit of hormone-lowering treatment, researchers at Karolinska Institutet have done a 20-year follow-up of premenopausal women with breast cancer. The study, published in the Journal of Clinical Oncology, indicates that the treatment provides protection even after a longer period of time and that different patients seem to benefit from different hormonal treatments. Tue, 02 Aug 2022 14:58:53 +0200 https://news.ki.se/new-findings-in-the-vaginal-microbiome A new study shows that the menstrual phase has effects on the microbiome. “This will be very important for planning future studies, both in basic science and for interventions aiming to improve the vaginal microbiome”, corresponding author Ina Schuppe Koistinen at the Department of Microbiology, Tumor and Cell biology at Karolinska Institutet, says. Fri, 13 May 2022 10:15:36 +0200 https://news.ki.se/lower-chance-of-pregnancy-and-childbirth-after-ivf-with-one-ovary Women who have had one ovary surgically removed (unilateral oophorectomy) are less likely to become pregnant after in vitro fertilisation and give birth to fewer babies than women with both ovaries. That is according to an extensive meta-analysis published in the journal Fertility and Sterility by researchers at Karolinska Institutet. Tue, 08 Mar 2022 11:00:06 +0100 https://news.ki.se/jessica-had-children-after-cancer When she was 14 years old Jessica Strid was treated for cancer and was told that it would be difficult for her to get pregnant. Today she has two children. ”I am very grateful”, she says. Wed, 23 Feb 2022 11:21:42 +0100 https://news.ki.se/fertility-treatment-help-for-people-who-have-had-cancer Many young people whose fertility have been impaired due to cancer treatment can today be helped to become parents. Kenny Rodriguez-Wallberg, Adjunct Professor at the Department of Oncology and Pathology at Karolinska Institutet and Senior Consultant at Karolinska University Hospital, answers six common questions. Wed, 23 Feb 2022 11:20:50 +0100 https://news.ki.se/we-ought-to-talk-more-about-the-difficulties-of-having-children Erik Vismer and his wife sought help from an IVF clinic to get children. What they didn’t expect was the effort and time that the process demanded from them. Read an in-depth article series from KI’s Swedish popular science magazine. Wed, 16 Feb 2022 12:52:18 +0100 https://news.ki.se/the-dream-of-becoming-someones-parent According to the WHO, almost 50 million couples worldwide are involuntarily childless while demand for assisted fertilisation is expected to grow as treatments have become both more effective and more widely accessible. Read the first article from a in-depth series about infertility from KI’s Swedish popular science magazine. Wed, 16 Feb 2022 12:11:33 +0100 https://news.ki.se/brain-organoids-uncover-mechanisms-of-virus-induced-microcephaly A study involving researchers at Karolinska Institutet and IMBA – Institute of Molecular Biotechnology of the Austrian Academy of Sciences – demonstrates how zika and herpes viruses can lead to brain malformations during early pregnancy. The researchers used 3D models of human brains to study which mechanisms are involved in virus-induced microcephaly, a condition where babies are born with smaller-than-usual heads. The results are published in the journal Cell Stem Cell. Fri, 09 Apr 2021 17:00:04 +0200 https://news.ki.se/viagra-may-prolong-life-for-men-with-coronary-artery-disease Men with stable coronary artery disease who are on Viagra due to impotence seem to live longer and have a lower risk of experiencing a new heart attack, a study from Karolinska Institutet in Sweden published in the Journal of the American College of Cardiology reports. Mon, 22 Mar 2021 19:00:04 +0100 https://news.ki.se/study-shows-how-access-to-legal-and-safe-abortion-reduces-morbidity Study shows that the legalization of abortion in Mexico City shows how access to legal and safe abortion reduces abortion-related morbidity such as bleeding. Wed, 30 Dec 2020 12:19:34 +0100 https://news.ki.se/new-research-highlights-the-importance-of-the-thymus-in-successful-pregnancies How the immune system adapts to pregnancies has puzzled scientists for decades. Now, findings from an international group of researchers, led by researchers at Karolinska Institutet in Sweden, reveal important changes that occur in the thymus to prevent miscarriages and gestational diabetes. The results are published in the journal Nature. Wed, 23 Dec 2020 17:00:04 +0100 https://news.ki.se/frozen-eggs-and-ovarian-tissue-helped-women-conceive-children-after-breast-cancer Women with breast cancer whose eggs or ovarian tissue were frozen had more children after their diagnosis than women who did not undergo fertility preservation using those methods before start of cancer treatment. That is according to a study by researchers at Karolinska Institutet in Sweden, published in JAMA Oncology. According to the researchers, the result highlights the importance of reproductive counseling and fertility preservation for women who are diagnosed with cancer at a young age. Thu, 19 Nov 2020 17:00:04 +0100 https://news.ki.se/women-could-conceive-after-ovarian-tumours Women receiving fertility-sparing surgery for treatment of borderline ovarian tumours were able to have children, a study from Karolinska Institutet in Sweden published in Fertility & Sterility shows. Natural fertility was preserved in most of them and only a small proportion required assisted reproductive treatment such as in vitro fertilization. Survival in the group was also as high as in women who had undergone radical surgical for treatment of similar tumours. Fri, 25 Sep 2020 13:13:11 +0200 https://news.ki.se/narcolepsy-drug-did-not-increase-risk-of-fetal-malformation Modafinil is used to treat conditions such as narcolepsy. Reports have associated the drug with an increased risk of malformation in babies born to mothers who had taken it while pregnant. Now, a large registry study involving over two million pregnant women in Sweden and Norway shows that there is no such association. The study, which is published in JAMA, was conducted by researchers at Sweden’s Karolinska Institutet and the Norwegian Institute of Public Health. Tue, 01 Sep 2020 17:00:03 +0200 https://news.ki.se/egg-stem-cells-do-not-exist-new-study-shows Researchers at Karolinska Institutet in Sweden have analysed all cell types in the human ovary and found that the hotly debated so-called egg stem cells do not exist. The results, published in Nature Communications, open the way for research on improved methods of treating involuntary childlessness. Mon, 02 Mar 2020 11:25:19 +0100 https://news.ki.se/ivf-conceived-children-have-somewhat-higher-mortality-risk-in-their-first-weeks-of-life Children conceived with assisted reproductive techniques have a somewhat higher mortality risk during their first weeks of life than children conceived naturally, according to a study from Karolinska Institutet in Sweden, published in the journal Fertility and Sterility. The researchers link the increased risk to a higher degree of premature births in IVF-conceived children. The risk of infant mortality is still very small for both groups and after 1 year of age there is no difference. Tue, 18 Feb 2020 06:00:00 +0100 https://news.ki.se/get-easily-out-of-breath-it-may-be-because-you-were-small-at-birth-study-finds Babies born with low birth weights are more likely to have poor cardiorespiratory fitness later in life than their normal-weight peers. That is according to a study by researchers at Karolinska Institutet in Sweden published in the journal JAHA. The findings underscore the importance of prevention strategies to reduce low birth weights even among those carried to at term delivery. Fri, 31 Jan 2020 11:00:00 +0100 https://news.ki.se/colorectal-cancer-risk-remains-despite-modern-treatment-for-ulcerative-colitis Patients with the inflammatory bowel disease ulcerative colitis have a higher risk of dying from colorectal cancer, despite modern therapy, even though the risk has declined in recent years. This is according to a new study published in the scientific journal The Lancet by a team of Swedish and Danish researchers. Fri, 10 Jan 2020 00:30:00 +0100 https://news.ki.se/study-debunks-notion-that-c-section-would-increase-risk-of-obesity-in-the-child Women who have C-sections are no more likely to have children who develop obesity than women who give birth naturally, according to a large study by researchers at Karolinska Institutet in Sweden published in the journal PLOS Medicine. The findings contradict several smaller studies that did find an association between C-section deliveries and offspring obesity but did not consider the numerous maternal and prenatal factors that the researchers did in this study. Fri, 06 Dec 2019 20:00:00 +0100 https://news.ki.se/high-androgen-levels-during-pregnancy-increase-the-risk-of-pcos-for-several-generations Daughters of women with polycystic ovarian syndrome (PCOS) are five times more likely to be diagnosed with PCOS as adults, and the generational transmission is driven by high androgen levels during pregnancy, researchers at Karolinska Institutet in Sweden report. Their results, which are based on register-based and clinical studies as well as transgenerational animal studies, are published in Nature Medicine. Mon, 02 Dec 2019 16:25:24 +0100 https://news.ki.se/new-study-shows-lower-mortality-from-induction-of-labor-at-41-weeks Inducing labor after 41 instead of 42 full weeks of pregnancy appears to be safer in terms of perinatal survival, according to new research from the University of Gothenburg, Sahlgrenska and Karolinska Institutet in Sweden. The current study is expected to provide a key piece of evidence for upcoming decisions in maternity care. Thu, 21 Nov 2019 09:29:17 +0100 https://news.ki.se/pregnant-women-with-eating-disorders-run-higher-risk-of-complications Pregnant women with eating disorders should undergo extended pregnancy screenings considering their increased risk of complications. That is the conclusion from a study by researchers at Karolinska Institutet in Sweden published in the journal JAMA Psychiatry. The researchers were, for example, able to show that children to mothers with eating disorders had an increased risk of premature birth and being born with a small head circumference. Wed, 20 Nov 2019 17:00:00 +0100 https://news.ki.se/increased-performance-in-female-athletes-after-testosterone-supplementation Researchers at Karolinska Institutet and the Swedish School of Sport and Health Sciences have investigated the effects of testosterone supplementation in young athletically active women in a randomised, placebo-controlled trial. The results, which are published in the British Journal of Sports Medicine, show that there is a causal relationship between elevated male sex hormone levels and increased aerobic capacity in young women. There was also an increase in muscle mass but not muscle strength. Wed, 16 Oct 2019 06:00:00 +0200 https://news.ki.se/weight-loss-surgery-cuts-risk-of-major-birth-defects Children born to women who underwent gastric bypass surgery before becoming pregnant had a lower risk of major birth defects than children born to women who had severe obesity at the start of their pregnancy. That’s according to a matched cohort study by researchers at Karolinska Institutet and Örebro University published in the scientific journal JAMA. The findings indicate that weight-loss and improved blood sugar control could reduce the risk of major birth defects. Tue, 15 Oct 2019 17:00:00 +0200 https://news.ki.se/risk-factors-in-recurrent-dysplasia-identified Women have an increased risk of high-grade cervical lesions returning after surgery if there have been lesions in the resection margin, especially if high-risk HPV (human papillomavirus) is found in the follow-up test, reports a new longitudinal study from Karolinska Institutet published in The American Journal of Obstetrics and Gynecology. The researchers also found that many other diseases can be independent risk factors in lesion recurrence. Tue, 17 Sep 2019 10:00:00 +0200 https://news.ki.se/fertility-sparing-surgery-is-as-good-as-radical-surgery-for-early-ovarian-cancer Young women with early stage ovarian cancer can undergo fertility-preserving surgery without affecting the safety of their cancer treatment, researchers from Karolinska Institutet in Sweden report in a national study published in the journal Gynecologic Oncology. Wed, 04 Sep 2019 11:00:00 +0200 https://news.ki.se/new-insights-into-a-rare-type-of-cancer-open-novel-avenues-of-study Mon, 07 Jan 2019 16:01:06 +0100 https://news.ki.se/hpv-type-16-or-18-in-young-women-predicts-risk-of-cervical-cancer Mon, 10 Dec 2018 06:01:00 +0100 https://news.ki.se/no-link-found-between-oral-antifungal-drug-and-stillbirth Wed, 13 Jun 2018 09:56:10 +0200 https://news.ki.se/new-study-elucidates-link-between-pcos-and-anxiety Maternal obesity and androgen excess induce sex-specific anxiety in the offspring, according to a study on mice by researchers at Karolinska Institutet published in The FASEB Journal. The findings may help explain why children born to mothers with polycystic ovary syndrome (PCOS) have increased risk of developing anxiety later in life. Thu, 22 Mar 2018 19:00:00 +0100 https://news.ki.se/hormone-therapy-in-the-menopause-transition-did-not-increase-stroke-risk Postmenopausal hormone therapy is not associated with increased risk of stroke, provided that it is started early, according to a report from Karolinska Institutet published in the journal PLOS Medicine. Thu, 23 Nov 2017 15:40:23 +0100 https://news.ki.se/hormone-from-fat-tissue-can-give-protection-against-pcos Obesity and reduced insulin sensitivity are common in polycystic ovary syndrome, PCOS. New research based on animal studies, and to be published in the journal PNAS, reveals that the hormone adiponectin can protect against these changes. Wed, 09 Aug 2017 13:42:57 +0200 https://news.ki.se/acupuncture-does-not-increase-fertility-in-women-with-pcos Acupuncture has no effect on involuntary childlessness caused by polycystic ovary syndrome (PCOS), the most effective treatment for PCOS being the drug chlomiphene, a joint international study conducted at Heilongjiang University of Chinese Medicine, China, reports. The study, which involved the participation of researchers at Karolinska Institutet, is published in JAMA. Tue, 27 Jun 2017 17:05:00 +0200 https://news.ki.se/more-providers-of-safe-abortion-care-can-save-thousands-of-womens-lives Wed, 01 Feb 2017 08:30:00 +0100 https://news.ki.se/depression-and-anxiety-may-reduce-chances-of-ivf-pregnancy Mon, 07 Mar 2016 10:00:00 +0100 https://news.ki.se/learning-more-about-the-link-between-pcos-and-mental-health Women with polycystic ovary syndrome (PCOS) have high levels of androgens in their blood, which has been assumed able to affect fetal development during pregnancy. An international team of researchers led from Karolinska Institutet in Sweden has now identified a hormonal mechanism that might explain why women with PCOS run a higher risk of developing symptoms of mental ill-health, such as anxiety and depression, in adulthood. Tue, 03 Nov 2015 09:00:00 +0100 https://news.ki.se/research-on-medical-abortion-and-miscarriage-may-change-international-routines Two scientific studies led by researchers at Karolinska Institutet are expected to form the basis of new international recommendations for the treatment of medical abortions and miscarriages – recommendations that may also lead to a change in clinical practice in Sweden. Fri, 27 Mar 2015 08:00:00 +0100 https://news.ki.se/oestrogen-possible-treatment-in-menopause-also-at-increased-risk-of-cardiovascular-disease Wed, 22 Oct 2014 15:15:15 +0200 https://news.ki.se/three-doses-of-hpv-vaccine-recommended-against-genital-warts Wed, 12 Feb 2014 21:15:29 +0100 https://news.ki.se/longer-screening-intervals-possible-with-hpv-based-tests Tue, 21 Jan 2014 00:00:00 +0100 https://news.ki.se/first-time-mothers-in-risk-zone-even-before-35 Tue, 10 Dec 2013 14:22:47 +0100 https://news.ki.se/no-serious-adverse-reactions-to-hpv-vaccination Wed, 09 Oct 2013 00:00:00 +0200 https://news.ki.se/ivf-for-male-infertility-linked-to-increased-risk-of-intellectual-disability-in-children Wed, 03 Jul 2013 00:00:00 +0200 https://news.ki.se/estrogen-a-new-weapon-against-urinary-tract-infection-in-menopause Thu, 20 Jun 2013 00:00:00 +0200 https://news.ki.se/cervical-screening-programme-saves-lives-in-more-ways-than-one Fri, 02 Mar 2012 00:00:00 +0100 https://news.ki.se/polycystic-ovary-syndrome-increases-the-risk-of-pregnancy-complications Fri, 14 Oct 2011 00:00:00 +0200 https://news.ki.se/synthetic-mesh-can-improve-outcome-of-prolapse-surgery Thu, 12 May 2011 00:00:00 +0200