Articles tagged with Miscarriage
Scientists have discovered two new functions of natural killer cells in the womb, which can help regulate embryo implantation. The cells remodel and refresh the lining of the womb, but an imbalance in this process may increase the risk of miscarriage.
A Kaiser Permanente study found a significantly higher rate of miscarriage among pregnant women exposed to high levels of non-ionizing radiation from magnetic fields. The study, which measured exposure levels over 24 hours, reported a nearly three times higher relative risk for miscarriage.
A recent study examined how men and women use communicated perspective-taking (CPT) to cope with miscarriage, finding that wives taking their husbands' perspectives led to improved understanding and lower grief. Couples who were more committed to being parents also experienced higher relational satisfaction and well-being.
A study in mice reveals how natural killer cells can cause a fetus to fail to grow or lead to miscarriages. Researchers identified potential treatments, including IVIG and targeted therapies, to prevent FNAIT-related miscarriages.
A 10-year Vanderbilt University Medical Center study disputes the long-held notion that uterine fibroids increase the risk of miscarriage. Contrary to previous research, women with fibroids have an identical risk of miscarriage as those without them when accounting for other pregnancy loss factors.
Researchers have identified a key process that contributes to chromosomal abnormalities and miscarriages in older women, offering new hope for improving fertility treatments. The discovery focuses on the regulation of securin levels in egg development, which can help prevent chromosomal abnormalities.
A new study published in CMAJ found that many common antibiotics increase the risk of miscarriage, with a 60% to two-fold increased risk. Erythromycin and nitrofurantoin were not associated with an increased risk.
A study found that men and women whose mothers received additional doses of progesterone while pregnant were significantly less likely to identify as heterosexual. They also showed higher rates of same-sex attraction and behavior, suggesting a potential link between prenatal progesterone exposure and human sexuality.
Researchers found that listeria causes inflammation and collateral damage to the placenta, allowing bacteria to invade the fetus. The study suggests that listeria may be a culprit in some miscarriages without diagnosed cause. Effective antibiotics are available to treat the infection.
Researchers found significant increases in miscarriage rates among women undergoing IVF with a prior pregnancy loss when embryo transfers occurred during daylight savings time. The study suggests that circadian rhythm changes may impact fertility.
A study found that women with higher incomes and social support are more likely to choose surgery over medication for miscarriage. Patients who have been pregnant before tend to know how they want the miscarriage managed, while those without prior pregnancy rely on doctors' advice. The research emphasizes the need for evidence-based, p...
A study published in BMJ Open suggests that women may be at risk of post-traumatic stress disorder (PTSD) after a miscarriage or ectopic pregnancy. The research found that nearly four in ten women experienced symptoms of PTSD, including re-experiencing feelings and intrusive thoughts, three months after their loss.
A study of 130 pregnant Sudanese women found a significant link between Rift Valley fever virus infection and miscarriage. The risk of miscarriage was seven times greater for infected women compared to those without the infection.
Research suggests corticosteroids may impair healthy pregnancy, increasing risk of miscarriage, preterm birth, and birth defects. Women taking these drugs during pregnancy have a 64% increase in miscarriage and a 3-4 times greater risk of cleft palate.
Researchers discovered that transplanted bone marrow-derived endothelial progenitor cells (EPCs) can contribute to better blood vessel growth, leading to reduced recurrent miscarriages. The study found that EPCs homed to the placenta and worked to normalize uterine blood vessel patterns, resulting in a reduced rate of miscarriage.
Researchers at Imperial College London found a significant association between thicker cervical stitch threads and increased rates of premature birth and intrauterine death. The study suggests that switching to thinner threads could prevent up to 170,000 premature births globally every year.
Researchers at the University of Warwick have discovered a lack of stem cells in the womb lining is causing thousands of women to suffer from recurrent miscarriages. The team believes a new treatment could bring hope to those who have suffered failed pregnancies, correcting defects before pregnancy and potentially preventing miscarriages.
The University of Warwick is partnering with doctors from University Hospital, Coventry to investigate the causes of early miscarriage. Researchers aim to develop new treatments and improve understanding of why miscarriages occur in some women more frequently than others.
Women with neuromyelitis optica spectrum disorder have a higher risk of miscarriage, particularly within three years before or after disease onset. Preeclampsia is also more common among women with the condition, especially those with multiple autoimmune disorders or previous miscarriages.
Researchers call for improved early miscarriage diagnosis guidelines as a new study reveals the current standard may lead to misdiagnosis. A two-scan approach up to 14 days apart can improve accuracy and reduce false positives.
Experts recommend a second ultrasound scan within 7-14 days after initial scan to avoid misdiagnosis of healthy pregnancies. The study analyzed 2,845 women's scans and provides new criteria for repeat scans.
A new study of over 300 women suggests that phthalate exposure may be associated with miscarriage, particularly between 5-13 weeks of pregnancy. Higher levels of urinary phthalate metabolites were found to be linked to pregnancy loss, supporting an association that warrants further research.
A study of 2 million women found that D&C performed for miscarriage or termination increases the risk of preterm birth by 29%, with a higher risk of 7.6% in subsequent pregnancies
A survey of over 1,000 U.S. adults found that miscarriages are common, affecting one in four pregnancies, yet many believe them to be rare. Participants also incorrectly perceived causes of miscarriage, including genetics, stress, and lifestyle choices, highlighting the need for better education about this topic.
Researchers found that failed synchronization of the womb's clock with the mother's body clock can lead to miscarriage or infertility. The study also suggests that subtle synchronization defects may increase the risk of complications during pregnancy.
Two studies show that midwives can safely treat failed abortions and miscarriages in rural districts of Uganda, and that home pregnancy tests can replace clinical follow-up examinations. These findings may lead to new international recommendations for medical abortion treatment.
A new study found that vitamin E deficiency is associated with a greater risk of miscarriage among pregnant women in rural Bangladesh. The research suggests that improving diet and prenatal supplements could have a direct impact on fertility.
A New York University study reveals a significant perception divide on the abortion issue, where Americans who oppose abortion are less likely to hear about their friends or family members having had an abortion. This disparity affects public opinion and may contribute to the relative stability of opinions on abortion over time.
Researchers have ruled out the 'Production-Line Hypothesis', which suggested that faulty chromosomes are more common in eggs produced later in a woman's reproductive life. The study found no relationship between a woman's age and chromosome crossovers, suggesting other factors may be involved.
A blood kisspeptin level test may effectively predict the risk of miscarriage in pregnant women, with levels 60% lower than those in healthy pregnancies associated with a higher risk. The test more accurately predicted future miscarriage compared to hCG levels.
Researchers have developed a new DNA test that can identify chromosomal variants and abnormalities in nearly 50% of miscarriage samples. The rescue karyotyping technique allows physicians to obtain genetic information from archived tissue, providing valuable insights into the causes of miscarriage.
A large observational study found that passive smoking significantly increases the risk of miscarriage, stillbirth, and ectopic pregnancy. The risk is cumulative and heightened with the length of exposure.
Researchers analyzed data on over 65,000 women and found no association between NSAID use during the first trimester and miscarriage risk. However, they discovered an increased risk of miscarriage after exposure to indomethacin due to potential 'reverse causation bias'.
A national survey found that most Americans incorrectly believe miscarriage is rare and misunderstand its causes, leading to feelings of guilt and isolation. Rescue karyotyping provides critical information about the cause of miscarriage, which can reduce negative feelings.
A Finnish study found that women with eating disorders have lower pregnancy rates and increased risk of miscarriage compared to their peers. The likelihood of abortion was more than double for bulimics and nearly half of pregnancies ended in miscarriage among women with binge-eating disorder.
Researchers at the University of Warwick have discovered a crucial link between elevated uterine NK cells and deficient steroid production. Elevated NK cells indicate reduced formation of essential fats and vitamins necessary for pregnancy nutrition.
A meta-analysis of studies found that women working shifts experience a higher rate of menstrual disruption (33% increase) and subfertility (80% increase), while night shift work only increases the risk of miscarriage. The study suggests that altering circadian rhythms can lead to short- and long-term biological disturbances.
Researchers at University of Warwick discover a dysfunctional monthly fertility window can cause recurrent miscarriage. Prolonged inflammation in the uterus can lead to embryos implanting out-of-phase, resulting in miscarriage.
Researchers at Imperial College London discovered a key role for IL-33, a molecule that influences embryo implantation, in women who experience repeated miscarriages. The study suggests targeting these molecules could lead to new treatments for preventing miscarriage.
A study of nearly 3,000 women in Denmark found that those with an ectopic pregnancy had significantly lower delivery rates and total number of pregnancies over 20-30 years compared to others. These women also have a high risk of another ectopic pregnancy.
Researchers have diagnosed Frida Kahlo's infertility as Asherman's syndrome, a condition caused by scarring in the uterus following a traumatic injury. The diagnosis is supported by Kahlo's medical history and artwork, which show images of reproductive organs and fertility issues.
Researchers discovered that low-dose carbon monoxide therapy restored placental function, preventing fetal death and growth restriction. The treatment also showed anti-inflammatory properties and increased levels of vascular endothelial growth factor, promoting blood vessel repair.
A new study assesses the effects of malaria and its treatment in the first trimester of pregnancy, revealing that the disease increases the risk of miscarriage. However, treating with standard antimalarial drugs reduces this risk significantly.
Researchers at St. Michael's Hospital have identified a potential new cause for unexplained miscarriages in mice, finding that massive clotting in the placenta can destroy the placenta and block blood flow to the fetus. The study suggests two possible treatments to prevent these miscarriages and has broader implications for heart attac...
A team of researchers has identified a non-classical form of Fetal and Neonatal Immune Thrombocytopenia (FNIT) that causes excessive platelet activation and blood clot formation in the placenta, leading to miscarriage. The condition can be prevented with intravenous IgG and anti-FcRn therapies.
A faulty molecular switch, SGK1, has been found to be associated with infertility and miscarriage. High levels of the protein are common in women with unexplained infertility, while low levels increase the risk of miscarriage. The research suggests that a temporary loss of SGK1 during the fertile window is essential for pregnancy.
Limited evidence underpins current ultrasound test for miscarriage diagnosis, prompting calls for large-scale study to ensure accuracy. Gaps in existing guidelines and concerns over misdiagnosis highlight urgent need for research prioritization.
Research published in Ultrasound in Obstetrics and Gynecology found that current definitions for miscarriage diagnosis can lead to incorrect diagnoses. The studies also revealed a 20% variation in gestational sac sizes reported by different clinicians, which can cause false conclusions about pregnancy growth.
A study by the University of Granada found that low plasma levels of copper and zinc are associated with an increased risk of spontaneous abortion. The research involved 265 pregnant women, with 132 experiencing miscarriage, and revealed significant differences in maternal plasma concentrations of these essential minerals.
Researchers found a link between fibroids and recurrent miscarriages, with removal of distorting fibroids reducing risk of miscarriage in second trimester. Removing such fibroids also doubled live birth rate in subsequent pregnancies for women with unexplained RM.
Nonaspirin NSAIDs increase the risk of miscarriage by 2.4 times compared to control groups. The study found a class effect on the risk associated with diclofenac and other nonaspirin NSAIDs, suggesting caution when using these medications during pregnancy.
A systematic review found that taking aspirin during IVF did not increase a woman's chances of becoming pregnant. There is limited evidence on the potential benefits and risks of aspirin use in IVF, with some studies suggesting improved blood flow to the womb and ovaries.
Researchers have developed a Pregnancy Viability Index (PVI) that can accurately predict the outcome of pregnancies threatening to miscarry. The PVI combines two key factors - bleeding and human chorionic gonadotrophin (hCG) levels - to provide a reliable means of predicting which pregnancies will continue and which will miscarry, ulti...
Researchers found that women with recurrent miscarriage have a cumulative incidence of natural conception of 56% after six months, 74% after 12 months, and 86% after 24 months. The median time to a subsequent pregnancy was 21 weeks, regardless of outcome.
Research found that women over 35 have higher rates of first trimester pregnancy loss and preclinical abortion after ICSI treatment. Ovarian response significantly impacts live birth rates, with optimal outcomes seen in those with 11 or more eggs retrieved.
Researchers analyzed records of 987 women with recurrent miscarriages to find long-term prognosis for live birth. The study found that 66.7% of women achieved a live birth within five years and 71.1% within 15 years after referral.
A study of pregnant women using intrauterine devices found that over half had malpositioned devices, which may increase pregnancy complications. Regular sonograms after IUD placement can help confirm proper positioning and reduce risks.
A study found that women who have experienced pregnancy loss may continue to suffer from depression and anxiety, even after having a healthy baby. The study suggests that previous pregnancy loss should be taken into account when assessing the risk of antenatal or postnatal depression.
Women who experience depression and anxiety after a miscarriage may continue to feel these symptoms after a healthy child is born. The Avon Longitudinal Study of Parents and Children found that mental health problems associated with miscarriage or stillbirth do not end with the birth of a healthy baby, but can persist for several years.
A study by Christine Aurich's group found that altrenogest treatment reduces the risk of miscarriage in older, pregnant mares. The treatment has no effect on hormone levels but enables foetuses to recover and grow at a normal rate during critical periods of development.