Articles tagged with Pregnancy
A recent study by the University of Colorado at Boulder found that US birth weights have fallen significantly due to increasing rates of cesarean deliveries and inductions. The average length of pregnancy decreased from 40 weeks to 39 weeks, resulting in a decline of 67 grams (about 2.4 oz) in baby weight over 23 years.
A Swedish study found that infants born to mothers who smoked during early pregnancy have a small increased risk of fractures before age 1. However, the association disappears after age 5, suggesting smoking has only short-term effects on bone health. The study followed over 1.6 million offspring from birth to young adulthood.
A study by Dr. Raylene Reimer found that low-calorie sweeteners increased body fat and disrupted gut microbiota in offspring, even when consumed during pregnancy or breastfeeding. The findings suggest a potential link between artificial sweeteners and obesity risk in early life.
A comprehensive review of 23 studies on drinking alcohol during pregnancy found evidence that it can lead to poorer cognitive functioning and lower birthweight. The findings reinforce the UK Chief Medical Officers' DRYMESTER guidelines, which recommend abstaining from alcohol in all trimesters.
A large clinical trial has found that low-dose aspirin daily from early pregnancy to 36 weeks may lower the risk for preterm birth among first-time mothers by 11%. The study involved over 11,000 women in several low- and middle-income countries and showed a significant reduction in preterm delivery before 37 weeks.
A new study found that women who breastfed their infants exclusively had a lower risk of early menopause compared to those who did not. The study, which observed over 108,000 women, also found that longer breastfeeding times were associated with a lower risk of early menopause.
A study by Flinders University found rising levels of reported antenatal depression in low and middle-income countries. Antenatal depression is associated with increased risk of preterm birth and low birth weight, highlighting the need for more services, particularly in low-income economies.
A new study finds that children born to mothers who both drank and smoked beyond the first trimester of pregnancy have a 12-fold increased risk for Sudden Infant Death Syndrome (SIDS). The study also shows that prenatal alcohol exposure, particularly from heavy drinking during pregnancy, can increase SIDS risk.
A new study published in Scientific Reports reveals that regular cannabis use during pregnancy can lead to reduced birth weight by up to 8% and decreased brain and liver growth. The researchers used a rat model and human placental cells to demonstrate the impact of THC on fetal development.
A new CU Boulder-led study published in the American Journal of Public Health found that judges deny minors' abortion requests with impunity, potentially due to personal political biases. The study analyzed data from Texas over 18 years and found that judges denied cases by up to 13%.
A new computer algorithm can predict in early pregnancy or before pregnancy which women are at high risk of gestational diabetes. The study analyzed data on nearly 600,000 pregnancies and identified nine parameters that accurately predicted the risk of developing gestational diabetes.
A study of over 650 women who experienced early-stage pregnancy loss found that nearly a third suffer post-traumatic stress, while one in four experience moderate to severe anxiety and depression. The research calls for improved care following an early-stage pregnancy loss.
A study found that pregnant women with congenital heart disease (CHD) are more likely to test positive for stress, anxiety, and depression, which can impair fetal brain development. The study suggests that routine screening for psychological distress is crucial during prenatal care.
A new study reveals that autistic mothers experience higher rates of post-natal depression, with 60% reporting difficulties in coping with domestic responsibilities and creating social opportunities. Despite challenges, many reported prioritizing their child's needs and seeking help when needed.
A new ultrasound technique allows veterinarians to evaluate dolphin pregnancies at all stages of gestation, similar to human pregnancy exams. This breakthrough enables the early detection of fetal abnormalities and maternal illness, crucial for saving dolphin pregnancies and informing conservation efforts.
Researchers found an average increase in stem cell count of 68% with minimal side effects, reducing 'stressed' cells and improving conditions for pregnancy. The treatment aims to prevent miscarriage by normalizing the womb lining.
A study published in the European Journal of Obstetrics & Gynecology and Reproductive Biology found that women who don't attend regular hospital check-ups during pregnancy are more likely to experience physical violence. The research highlights the importance of healthcare professionals detecting warning signs of gender violence.
A research team at INRS has modeled the interaction of commonly used antidepressants with estrogen and aromatase, a key enzyme in fetal development. The study suggests that not all types of antidepressants have the same hormonal affinity, and some may be less harmful to the developing fetus.
A recent analysis found that one-third of all pregnancies in women with inflammatory bowel disease (IBD) were delivered by Caesarean section, a two-fold increase compared to women without IBD. Women with IBD also face increased risks of gestational diabetes and preterm prelabour rupture of membranes.
A recent study found that disruptions in progesterone signaling between maternal and embryonic tissue may be linked to recurrent miscarriage. The study discovered that migratory cells from the placenta produce enzymes necessary for progesterone production, which are lower in women with a history of recurrent miscarriages.
Women who were overweight at the start of their pregnancy benefit from attending commercial weight management groups post-pregnancy, losing around 3kgs by 12 months. The researchers argue that a larger clinical trial is needed to determine the definitive health and cost-effectiveness benefits of such programs.
Researchers found that pregnant women exposed to persistent organic pollutants had slightly smaller fetuses than those who were not exposed. The study analyzed ultrasound scans and blood samples from over 2,200 pregnant women, finding a significant association between exposure to POPs and reduced fetal growth.
A study of 368 mothers and their children found that maternal obesity during pregnancy was strongly associated with lower motor skills in boys and scores 5 or more points lower on full-scale IQ tests at age 7. A nurturing home environment lessened these negative effects.
Research finds impaired motor skills in preschoolers and lower IQ in middle childhood for boys whose mothers were severely overweight during pregnancy. A nurturing home environment can lessen the negative effects of obesity on child development.
Researchers from Forschungsverbund Berlin isolated and cultured different cell types from domestic cat corpus lutea tissue, enabling detailed characterization of their function. This breakthrough can aid in understanding the causes and mechanisms behind the longevity of corpus luteum in lynxes.
A study of pregnant women found that those who ate at night and consumed lower-quality diets were more likely to retain five kilogrammes or more after giving birth. Practising night eating along with low diet quality demonstrated the greatest likelihood of substantial postpartum weight gain and retention.
A study led by NIH-funded researchers analyzed data on pregnant women with HIV and found that nearly 20% received treatment regimens not aligned with federal guidelines for use during pregnancy. The study highlights the need for further research into prescribing practices for pregnant women living with HIV.
A new study found that a Zika vaccine developed by NIH improved fetal outcomes in pregnant monkeys and rhesus macaques infected with congenital Zika virus. The vaccine reduced virus levels and prevented fetal infection, suggesting sterilizing immunity may not be required for protection.
An experimental Zika DNA vaccine VRC5283 reduced virus levels and improved fetal outcomes in pregnant rhesus macaques. The results suggest the vaccine may prevent transmission to humans as well.
Traffic-related air pollution has been linked to an increased risk of hypertensive disorders in pregnant women, with exposure to particulate matter (PM2.5) associated with a 50% higher likelihood of developing preeclampsia. The study highlights the need for further research into the impact of environmental exposures during pregnancy.
A recent study published in JAMA Network Open found that 30% of pregnant women with HIV were prescribed medications with insufficient evidence of safety in pregnancy. The study, led by Kathleen M. Powis, suggests that physicians may be prescribing ahead of recommended guidelines.
Teenage pregnant women are more likely to experience poorer mental health, higher rates of substance use, and live in poverty. However, a Canadian study found that teenage pregnancy is not associated with a higher risk for preterm birth or low birth weight compared to pregnancies among women aged 20-34 years.
A new study provides national estimates of neonatal abstinence syndrome and its associated healthcare costs, shedding light on the impact of opioid exposure during pregnancy. The findings highlight the need for increased support and resources for affected families.
Women experiencing high-risk pregnancies struggle with fears and tears without adequate psychosocial support, feeling isolated and worried. Researchers suggest professional interventions like visualization, mindfulness, and psychotherapy can help manage emotions and reduce poor outcomes.
A study conducted by Florida Atlantic University's Harbor Branch Oceanographic Institute found that pregnant women in coastal Florida have higher mercury concentrations in their hair due to fish consumption, particularly from the Indian River Lagoon. The study also highlighted the importance of education on safe seafood sources and spe...
Research on mice suggests that antidepressant exposure during pregnancy can lead to long-term changes in brain activity and sensory processing. The study found abnormal brain activity in sensory areas of fluoxetine-exposed mice when stimulated with their front paws.
A new study from the University of California San Francisco and Columbia University Mailman School of Public Health challenges assumptions about contraceptive use among women. Despite having a strong preference against pregnancy, over half of the women studied used a contraceptive method.
A Duke University study finds that baby pandas' bones mature at the same rate as other mammals, but are developed at an accelerated pace. The researchers used micro-CT scans to create 3D digital models of each baby's bony interior and discovered that giant panda skeletons are just like those of closely related animals, but smaller.
Researchers found that female mongooses abort pregnancies more frequently during times of food scarcity and high competition. The study suggests that this adaptive strategy enables females to save energy for future breeding attempts.
Researchers developed a Zika vaccine that safely protects both mother and fetus from the virus. However, pregnancy weakens the immune response, requiring a higher dose of vaccination to be effective.
A new study found that nearly one-quarter of people living with HIV are willing to participate in clinical trials that carry significant risks, including near-certain death, in exchange for the potential of an HIV cure. The study highlights the need for additional ethical safeguards when enrolling individuals in such high-risk research.
A systematic review and meta-analysis found no conclusive evidence supporting the safety of ivermectin administration among pregnant women. The studies included in the analysis reported some adverse events, but the number of cases was too low to be conclusive.
A new model developed by UBC Okanagan engineer Hadi Mohammadi maps the impact of trauma on a pregnant woman's uterus, aiming to make airbags and seatbelts safer. The study found that pregnant abdomens respond more rigidly to greater impacts, posing a risk to both mother and fetus.
A Hebrew University study found pregnant women who smoke are nearly 50% more likely to develop gestational diabetes. Women who cut down on their cigarette intake still face a 22% higher risk compared to non-smokers or those who quit before pregnancy.
A study on Instagram users' experiences of miscarriage reveals rich descriptions of medical and physical aspects, as well as emotional spectrum, social aspect, and family identity. The findings inform patient care by highlighting the need for clinicians to address emotional needs and redefine recurrent pregnancy loss.
A new study from the University of Colorado Anschutz Medical Campus reveals that incentive-based smoking cessation programs can significantly reduce infant morbidity and mortality. The Baby & Me Tobacco Free program provided financial incentives to pregnant women, resulting in a 24-28% reduction in preterm birth and neonatal ICU admiss...
UConn researchers have discovered a connection between pregnancy and cancer metastasis in various mammal species. They found that certain species have evolved to make their stromal cells highly resistant to invasion, unlike humans who are more vulnerable to cancer metastasis.
A new study by UC Davis Health investigates the effects of progesterone on reversing mifepristone's effect in initiating an abortion. The research found that even with high-dose progesterone treatment, women may still experience severe blood loss and risk serious health consequences.
Most studies indicate that women do not meet recommended intake for vegetables, cereal grains, and folate. Pregnant women often exceed fat intake recommendations and fail to meet iron and calcium requirements.
Changes in heart rate due to low oxygen conditions during pregnancy may predict future heart health, according to research published in the Journal of Physiology. The study used sheep models to examine the impact of chronic hypoxia on fetal heart development and identified potential markers for long-term heart disease risk.
Exposure to cooking fumes during pregnancy is associated with increased risk of hyperactivity in young children. Using coal or gas for cooking, poor ventilation, and social class were linked to higher risks of hyperactivity behaviors.
Children of mothers with diabetes have increased rates of early onset cardiovascular disease from childhood to age 40. The study suggests that preventing and treating diabetes in women of childbearing age could help reduce the risk of CVD in their offspring.
Researchers at Karolinska Institutet discovered that high androgen levels during pregnancy increase the risk of polycystic ovary syndrome (PCOS) in daughters for multiple generations. The study found that altered gene expression and placenta dysfunction contribute to the transmission of PCOS symptoms.
A new study from UNLV Medicine doctors found daily marijuana use during pregnancy may lead to low birth weight, delayed fetal growth, and increased placental vascular resistance. The researchers reviewed sonogram data from nearly 450 pregnant women who self-reported daily marijuana use.
A study published in BJOG: An International Journal of Obstetrics and Gynaecology found that women who underwent weight loss surgery between pregnancies had lower risks of hypertension and preterm birth in their second pregnancy. The likelihood of adverse outcomes did not decrease to the level observed in the general population.
A rat study found that older mothers' male offspring are more likely to develop heart problems due to changes in placental development and function. The placenta plays a crucial role in supporting fetal growth, but older mothers' placentas show detrimental effects on male fetuses.
A UC study finds that pregnant women rely on their mothers for emotional support and guidance, often valuing mom's advice as equal to or over medical recommendations. This contradicts the narrow perspective of many self-help pregnancy guides, which prioritize medical guidance exclusively.
Research published in the European Respiratory Journal found that women with severe asthma symptoms during pregnancy are at higher risk of pre-eclampsia, high blood pressure, and low birth weight. Babies born to these mothers are also more likely to have respiratory issues and congenital abnormalities.
Research finds children of abusive mothers are almost 50% more likely to have a low IQ at age 8, with the risk rising to 34.6% if mothers were repeatedly exposed to domestic violence. The study used data from over 3,997 mother-child pairs and controlled for other risk factors.
A Swedish study of 2,760 women found that induction of labor after 41 full gestational weeks resulted in no deaths, whereas six cases of perinatal death were recorded when labor was waited for until 42 weeks. The study suggests a safer alternative for mothers and babies.