Articles tagged with Pregnancy
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A randomized controlled trial tested the effectiveness of a teenage pregnancy prevention programme involving an infant simulator and found it did not reduce the risk of pregnancy. In fact, the study showed that teenage girls who took part were more likely to become pregnant compared to those who did not take part.
Researchers at the University of Adelaide have developed a new technique to choose the best embryo for implantation, boosting IVF pregnancy success rates. The method uses digital imaging and mathematical modeling to analyze differences in embryos not visible under a microscope, helping embryologists make more informed decisions.
A baby born with Zika infection remained infected for two months and one week after birth, showing delayed psychomotor development and spastic hemiplegia. The virus may have been sexually transmitted, as the father also showed symptoms before his wife.
A Penn State researcher found that pregnant women use a dual self-image to cope with the physical and emotional changes of pregnancy. They differentiate between their pre-pregnancy body weight and 'baby weight,' allowing them to maintain a positive body image during this time.
The study found that nearly all babies with confirmed and presumed Zika infections had ventriculomegaly, gray and white matter volume loss, and cortical migrational abnormalities. Imaging exams also revealed intracranial calcifications and reduced tissue volume in the brain.
Research suggests that prenatal exposure to certain organochlorine chemicals may increase the risk of autism spectrum disorder in children. The study found that children born after being exposed to high levels of these chemicals during pregnancy were 80% more likely to be diagnosed with autism.
Despite limited safety data, investigators face significant challenges to conducting HIV research in pregnant women, including complex ethical and legal concerns. To address these gaps, Dr. Anne Lyerly is leading the PHASES Project to develop guidance for ethically advancing HIV research in pregnant women.
Researchers studied a large population-based cohort and found no significant increased risk for congenital malformations or cardiac malformations among women who took antipsychotic medications during the first 90 days of pregnancy. However, risperidone showed a slightly increased risk, highlighting the need for further research.
A study published in the Maternal and Child Health Journal found that abnormalities in interval between pregnancies, body mass index prior to pregnancy, and weight gain during pregnancy may contribute to up to 25% of preterm births. Modifying these risk factors could significantly reduce premature birth rates worldwide.
A study of 1.3 million pregnant women found that antipsychotic medication early in pregnancy was not associated with a meaningful increase in the risk of birth defects when other factors were considered. However, risperidone may have a potential safety signal due to its small increase in risk, requiring further research.
A study published in JAMA Pediatrics found that prenatal acetaminophen use was associated with increased risk of conduct problems and hyperactivity symptoms in children. Maternal acetaminophen use at 32 weeks of pregnancy also linked to higher risk for emotional symptoms and total difficulties in children.
The new guidelines provide a more precise definition of documented prenatal alcohol exposure and offer guidance on evaluating facial and physical deformities characteristic of FASD. The updated criteria aim to improve the accuracy of diagnoses and lead to early intervention for affected children.
Researchers found that a cancer drug called etoposide can damage the development of mouse ovary tissue, potentially affecting future fertility. The study suggests that women who take etoposide during pregnancy may have reduced fertility in their daughters.
A recent study by Boston University School of Medicine found that US maternal mortality rates are significantly higher than previously reported, with an estimated rate of 23.8 per 100,000 live births in 2014. The study highlights the need to improve maternity care and prevent maternal deaths in the US.
A study found an association between maternal high-fat diets and changes in infant gut microbiomes, affecting energy extraction and immune development. The researchers discovered that high-fat diets were linked to reduced numbers of Bacteroides microbes, which play a crucial role in breaking down carbohydrates.
Researchers found that babies born to mothers on high-fat diets had distinct gut microbiomes with fewer Bacteroides microbes, affecting energy extraction and immune system development. The study suggests a potential link between maternal diet and infant microbiome, emphasizing the importance of considering fat intake in prenatal care.
The RAND Corporation has launched a web-based guide to support community leaders in planning and implementing teen pregnancy prevention programs. The Getting To Outcomes Guide for Teen Pregnancy Prevention offers tools and instructions to assess program needs, select goals and outcomes, and evaluate program effectiveness.
A cervical stitch used to prevent preterm labor has been linked to a three times higher risk of stillbirth and almost twice the risk of preterm birth. The suture may disrupt the vaginal microbiome and spur inflammation, major risk factors for preterm birth.
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 UTMB identified a molecule called p38 MAPK linked to premature birth, found in stressed exosomes from placental tissue. This discovery sheds light on the triggers of preterm delivery, which affects an estimated 15 million babies worldwide each year.
Researchers found that naturally occurring estrogens in milk did not impact blood hormone levels or reproductive organs in mice, even at concentrations 100 times higher than typical milk from pregnant cows. The study suggests that the gastrointestinal system can metabolize estrogens before they reach systemic circulation.
Researchers measured the resting metabolic rate of a lactating sea otter mother, revealing a significant increase in energy demands after giving birth. This finding suggests that sea otters may be accumulating fat reserves before milk production to cope with the high costs of rearing their young.
Researchers propose that women in Zika-affected countries can safely conceive during the 'trough' of low mosquito activity, reducing the risk of birth defects. This approach could prevent thousands of cases per year, especially in Brazil and Puerto Rico.
Researchers at WashU Medicine have identified six antibodies capable of protecting against Zika virus infection in mice, providing crucial information on how these antibodies interact with the virus. The discovery could lead to the development of a vaccine, diagnostic tests, and potentially new therapies for Zika-related diseases.
A study published in the journal Drug and Alcohol Dependence found that pregnant women with health insurance coverage had lower odds of alcohol use, while non-pregnant women with insurance had higher odds. The study also found that prenatal substance use poses significant threats to maternal and child health.
A recent study published in PLOS Medicine found that regular exercise can significantly reduce the risk of gestational diabetes in obese pregnant women. The study involved 91 women who were divided into an exercise group or control group, with the exercise group experiencing a significant drop in diabetes rates and lower blood pressure.
The Penn researchers have developed a placenta-on-a-chip that accurately models the transport of nutrients across the placental barrier. This innovation has the potential to revolutionize research on preterm birth by providing a unique capability to mimic and study the function of the human placenta.
According to a study published in Annals of Internal Medicine, travelers to Brazil during the 2016 Olympics are at low risk of contracting or spreading Zika virus. The World Health Organization advised that non-pregnant travelers can safely attend events while taking precautions.
A new study found that all babies of mothers treated with a specific type of statin survived compared to the standard treatment group, while maternal health also improved. The statin treatment lowered blood pressure and prevented premature birth in women with antiphospholipid syndrome.
The University of Houston will launch a new effort to educate and support Latina mothers and families on postpartum depression, thanks to a $500,000 grant from the W.K. Kellogg Foundation. The two-year project aims to develop culturally responsive interventions to address the high risk of postpartum depression among Latina new moms.
A study published in the American Journal of Obstetrics and Gynecology found that nicotine patches and Zyban are effective in helping pregnant women quit smoking, with success rates of 80% and 60%, respectively. The use of these products also reduces the risk of premature birth and low birth weight.
A new study found that children born to unmarried mothers with no father listed on their birth certificate are more likely to experience weight-related issues. The research suggests that paternal involvement may play a crucial role in influencing childhood obesity outcomes, particularly in terms of feeding practices and prenatal care.
A review of evidence suggests that multivitamin and mineral supplements for pregnant women are unlikely to provide significant benefits, and may be an unnecessary expense. Folic acid and vitamin D supplements, available at a lower cost, are recommended instead.
A 30-year study found that boys are more likely to experience pre-term birth, gestational diabetes, and pre-eclampsia, while girls face a higher risk of early onset pre-eclampsia. The research suggests sex differences in placental function may explain these disparities.
Male cicadas use their calls to attract mates, but they also draw in pregnant female flies looking to lay eggs. The study found that both males and females demonstrated reproductive intent and successfully mated with each other.
A new study reveals a significant gap between reported smoking during pregnancy and actual nicotine exposure, with 16.5% of women experiencing high-level nicotine exposure and 7.5% low-level exposure. The study highlights the importance of targeted public health efforts to decrease tobacco use among pregnant minority women.
A meta-analysis of randomized controlled trials found that exercise during pregnancy does not increase the risk of preterm birth and may actually reduce it. Women who exercised were more likely to deliver vaginally and had lower rates of C-sections, gestational diabetes, and high blood pressure.
A large multicentre study found that freeze-all embryo protocols are associated with significantly improved IVF outcomes, particularly in women over 35. The study showed a 13% increase in ongoing pregnancy rates for these patients compared to traditional fresh embryo transfer methods.
Infants born to vaccinated mothers show high protection against influenza illness at 8 weeks, but efficacy decreases with age. The duration of this protection is limited to the first 8 weeks of life.
A large randomized study found that a short period of bed rest after intrauterine insemination has no beneficial effect on pregnancy rates, contrary to previous small studies. The results suggest that immobilization after IUI may even hinder fertility in some cases, rendering recommendations for prolonged bed rest obsolete.
A recent ESHRE study found that human growth hormone did not improve live birth rates in women having difficulty conceiving, with a clinical pregnancy rate of 14% in the treatment group and 11% in the placebo group. Poor responders are a challenging group to treat, accounting for up to 30% of patients who respond poorly to treatment.
A study of 290 women found that lifestyle intervention preceding fertility treatment improved natural conception rates, particularly in anovulatory women. However, the intervention had no significant effect on fertility treatment outcomes or overall live birth rates in any subgroup.
A Cochrane review suggests that endometrial scratching may be beneficial for couples trying to conceive naturally or with intrauterine insemination (IUI), increasing the chance of clinical pregnancy and live birth. The procedure involves a biopsy-like action on the uterine lining, which may create an environment more receptive to embry...
A new study finds that prenatal exposure to paracetamol may increase attention-related symptoms, hyperactivity, and autism spectrum symptoms in children. Researchers found a 30% higher risk of attention function detriment and two clinical autism symptoms in boys exposed to paracetamol during pregnancy.
A review of nearly 100 fertility awareness apps found that most don't employ evidence-based methodology, and many include disclaimers discouraging use for avoiding pregnancy. Only six apps scored high on accuracy, with those requiring training in FABMs performing better.
A survey of 15,000 women and men in Britain found that nearly half who experienced infertility did not seek medical help. The study also found that those who sought help were more likely to have higher educational qualifications and better job prospects.
Research funded by NIAID found that Zika virus lingers in pregnant animals for at least 57 days, but provides immunity against future infections. Non-pregnant monkeys cleared the virus within 10 days of infection.
A long-term study in over 200 pregnant women found that a special diet rich in omega-3 fatty acids did not result in children being slimmer or fatter than those from the control group. The study challenges earlier findings that suggested omega-6 fatty acids might contribute to infant obesity.
Researchers found that Zika virus infection can persist for up to 70 days in pregnant monkeys, whereas non-pregnant animals clear the virus within 10 days. The study suggests that immune systems of mothers-to-be may be compromised, allowing the virus to linger.
Research suggests that pregnant women with blood pressure in the prehypertension range have a 6.5 times greater odds of developing metabolic syndrome after giving birth. This finding highlights the dynamic nature of blood pressure during pregnancy and underscores the importance of monitoring blood pressure levels.
Researchers at Georgetown University Medical Center's Institute for Reproductive Health are studying the use of a smartphone app that calculates a woman's chance for pregnancy. The app, Dot, has been shown to be 96-98% effective in women if used correctly and increases accuracy with continued use.
Researchers create a biomechanical model of pregnant women using 3D motion capture, verifying the 'pregnancy waddle' and enabling safer daily tasks. The study aims to improve comfort and reduce falls during pregnancy.
A new study found that Zika warnings significantly increased demand for abortions in Latin America, particularly in countries with restrictive laws. The number of requests for medical abortion through Women on Web, a non-profit organization, nearly doubled in some countries following the health alert.
A study found that Zika virus alerts led to a significant increase in abortion requests in Latin American countries with restricted access. The researchers analyzed data from an online portal and found that women were more likely to seek an abortion after receiving health alerts about the virus.
The National Institutes of Health has launched a multi-country study to investigate the health risks associated with Zika virus infection during pregnancy. The study aims to enroll up to 10,000 pregnant women across several locations affected by Zika outbreaks, followed throughout their pregnancies and into early childhood.
A new study published in Biological Psychiatry suggests that prenatal cannabis exposure is associated with thicker prefrontal cortex in children. The study found no differences in overall brain volume, but highlights the importance of preventing cannabis and cigarette use during pregnancy.
Researchers investigating gestational diabetes aim to understand its impact on offspring's cardiovascular health. They've identified a mouse model with epigenetic changes that mimic human conditions, suggesting environmental factors during pregnancy may shape lifelong risk.
Research shows that pregnant mongooses reduce their levels of toxic metabolites to protect their offspring, but this comes at the cost of potential long-term harm to themselves. The study found that mothers with lower oxidative damage were more successful in reproducing and raising healthy pups.
Research suggests that mothers' obesity can impair the health of later generations through mitochondrial DNA passed to offspring. Healthy diets and exercise may reverse genetic metabolic abnormalities.
Mothers who develop postpartum depression often experience protective risk factors, but once their babies are born, they show more obsessive-compulsive symptoms. Women who had depression before becoming pregnant were more likely to experience hypersomnia and difficulty falling asleep.