Articles tagged with Pregnancy
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A study of 10,440 single-born infants found no increased risk of hospitalization for asthma among children born to mothers who consumed alcohol during pregnancy. Despite this, researchers caution that high prenatal alcohol exposure may still have unknown health effects.
Researchers report first clinical experience of preimplantation HLA matching, demonstrating feasibility for stem cell transplantation in siblings with bone marrow failure. The study involved nine couples with children affected by blood disorders and resulted in five healthy children who were HLA-matched to their affected siblings.
MRI is a safe imaging option for pregnant patients, as it uses magnetic fields and radiofrequency pulses instead of ionizing radiation. The study found MRI accurately depicted several disease processes, including appendicitis and uterine fibroids.
A five-year study found that four commonly prescribed antiepileptic drugs were associated with varying levels of birth defects, developmental disabilities, and death in children. The study revealed that lamotrigine may cause less harm compared to other medications, while valproate posed the highest risk.
Researchers found decreased pregnancy rates in couples where the man had IgG antibodies, a marker of previous or persistent infection by Chlamydia trachomatis. For those infertile couples with IgG antibodies, 6.8% of women and 7.1% of men carried Chlamydia DNA in their urine, suggesting active infection.
Research found that women who received dental x-rays during pregnancy had a higher risk of having low birth weight infants, especially term low birth weight (TLBW) infants. The study suggested that eliminating all dental radiography during pregnancy could reduce the prevalence of TLBW infants by up to five percent.
A population-based case control study found a significant association between exposure to diagnostic radiography during routine dental care and low birth weights in full-term babies. The study suggests that radiation may affect neurohormonal mechanisms in the head and neck region, leading to potential health effects on pregnancies.
Women with epilepsy face difficulties during puberty, pregnancy, menstruation, and menopause, leading to changes in seizure severity and increased risk of fetal loss and birth defects. Doctors can help women balance medication risks by adjusting dosages or switching medications while minimizing harm.
A study in rats found that prenatal nicotine exposure leads to a decline in brain activity and loss of brain cells, worsening the effects of nicotine withdrawal. This may drive teens to self-administer nicotine, increasing the likelihood of long-term addiction.
Researchers found that black women with high blood pressure during pregnancy had the highest homocysteine levels, while white women had lower levels. The study suggests increasing folic acid intake among blacks to mitigate this risk. Homocysteine levels are influenced by diet and genetic factors.
Researchers found that repeated pregnancies in rats increased blood pressure response to stress and phenylephrine infusion, due to enhanced total peripheral resistance. Vascular sensitivity was also altered, with reduced compliance and sensitivity to phenylephrine.
Early study results show that women with small uterine fibroids may be at increased risk of miscarriage, with smaller fibroids more associated with pregnancy loss. The research aims to investigate the influence of fibroids on pregnancy outcomes and will enroll an additional 3,300 ethnically diverse women.
A University of Pittsburgh study found that providing young women with emergency contraceptive pills at home did not lead to an increase in unprotected sex or inconsistent contraceptive use. Instead, the study showed a corresponding increase in condom use among those who received the pills.
A large-scale re-analysis of data from 53 studies suggests that pregnancies ending in miscarriage or induced abortion do not increase the risk of developing breast cancer. The findings contradict previous, less reliable studies that suggested a potential link between abortion and breast cancer.
A recent study by researchers at the University of North Carolina at Chapel Hill found that a lack of choline during pregnancy can lead to reduced brain cell formation and impaired memory in children. The scientists discovered that choline plays a crucial role in regulating stem cell division, which is essential for brain development.
Children whose mothers were exposed to second-hand smoke during pregnancy had reduced scores on tests of cognitive development at age two. They also showed a higher likelihood of developmental delays and lower cognitive performance. The effects were more pronounced for those who experienced material hardship during pregnancy.
A study found that even light to moderate drinking during pregnancy may cause learning and memory difficulties in adolescents. Researchers assessed 580 children and their mothers, and discovered an association between low levels of alcohol consumption and subtle difficulties with verbal/auditory abilities at 14 years old.
Researchers analyzed over 13,000 live term births to assess the effect of medical abortion on subsequent pregnancy's birth weight. The study found that women who had undergone a medically induced abortion had lower rates of Low Birth Weight compared to those with no abortion history.
Researchers developed a new method to increase fetal DNA detection in maternal blood, reducing the risk of pregnancy loss associated with invasive tests. The technique, using formaldehyde to stabilize blood cell membranes, resulted in higher percentages of free fetal DNA in samples.
The Canadian Medical Association Journal explores the trend of elective cesarean sections, highlighting concerns about comparing vaginal birth to planned cesarean delivery. Hannah argues that only a comparison of planned vaginal and planned cesarean births can determine which carries greater risk to mother and baby.
A new study found that the birth control patch had a higher percentage of perfect dosing cycles (88.7%) compared to oral contraceptives (79.2%). This led to better contraceptive efficacy and reduced risk of unplanned pregnancy. The results suggest that the patch may be a more convenient and simple option for women using birth control.
A study of 92 patient cases found that laparoscopy can diagnose abnormalities earlier, reducing the need for hormone therapy and in vitro fertilization. Women with painful menstrual periods, previous natural contraception use, or a history of pelvic disorders are at higher risk.
A $1.7 million NIH-funded study found that bed rest in high-risk pregnancies is associated with weight loss, increased risk of fetal growth restriction, backache, joint soreness, headaches, muscle loss, and depression. The study suggests that prescribed antepartum bed rest may be more harmful than helpful.
The study found increasing calcium levels in cloned equine embryos led to improved pregnancy rates and successful births. The research also suggests a link between calcium regulation and human diseases such as cancer, diabetes, and neurological disorders.
Researchers have identified elevated levels of soluble fms-like tyrosine kinase 1 (sFlt1) in pregnant women at risk of developing preeclampsia. This finding suggests that sFlt1 may serve as a biomarker for early detection and potentially inform treatment strategies through the administration of drug therapies that neutralize its effects.
Researchers found that elevated sFlt-1 levels and low PlGF levels can predict the development of preeclampsia. Women with preeclampsia also have lower VEGF levels, which may contribute to the condition's health problems.
Researchers at University of Illinois at Urbana-Champaign found that combining RU 486 with relaxin could hasten labor and promote healthy delivery in rats. The study suggests that this two-drug approach may also shorten painful labor and reduce Caesarean sections in humans.
A study published in The Lancet suggests that prenatal genetic testing should be offered to all pregnant women, regardless of age or risk, as it is cost-effective. The researchers found that the benefits of early testing outweigh the costs, particularly for high-risk pregnancies.
A study found that women who experienced miscarriage had lower concentrations of macrophage inhibitory cytokine-1 compared to those who delivered normally. Low MIC1 levels often preceded miscarriage, suggesting its potential as a predictor and therapeutic target for pregnancy loss prevention.
A University of Wisconsin-Madison team has developed a stem cell model that mimics placenta formation during the earliest stages of human development, offering new insights into pregnancy and fetal health. The research could lead to better understanding of diseases like preeclampsia, which affects millions of women and infants worldwide.
A study by Dr. Kimberly O'Brien found that adolescent pregnancy compromises a girl's ability to reach optimal bone growth, potentially leading to osteoporosis. Girls who consumed more calcium during pregnancy showed less bone loss when tested post-partum.
Researchers discovered a two-fold increased risk of deep vein thrombosis and pulmonary embolism with estrogen plus progestin use. Age and obesity were primary determinants of increased absolute risk, while genetic variants such as Factor V Leiden also contributed to thrombosis risk.
Researchers found that girls who became pregnant were more likely to experience higher levels of juvenile delinquency than their peers. However, those who chose to keep their babies had lower rates of delinquency compared to never-pregnant girls.
A study of pregnant women with asthma found that a female fetus can reduce fetal growth if the mother isn't treated with inhaled glucocorticoids. Incomplete arousal processes were linked to SIDS deaths, and active smoking impaired corticosteroid treatment efficacy for asthmatic patients
A new study suggests that women who have had a caesarean section may be at higher risk of stillbirth in subsequent pregnancies. The research found that the risk of stillbirth was greater for women who had previously given birth by caesarean section, with an increased risk starting at around 34 weeks of their second pregnancy.
Women with myasthenia gravis are at increased risk of complications during pregnancy and childbirth, including higher rates of cesarean section and preterm rupture of amniotic membranes. However, neonatal deaths and prematurity were not significantly affected by the condition.
Pregnant women exhibit enhanced odor sensitivity and unpleasantness, which may help protect against stress. A study also found that brain areas mediating 'reward' are stimulated by pup suckling in rat mothers, suggesting a potential link between smell, reward, and maternal bonding.
A study published in AIDS found that placental malaria significantly increases the risk of mother-to-child HIV transmission. The study, which followed 746 HIV-positive mothers and their infants in Rakai, Uganda, suggests that preventing and treating malaria during pregnancy could reduce transmission rates.
A study by the Lister Fertility Clinic in London found that women who participated in an egg-sharing program did not have a lower chance of getting pregnant or having a live birth compared to those who didn't participate. The researchers also found no evidence of increased risk of ovarian hyperstimulation syndrome among donors.
A study highlights the rise of vitamin D deficiency and rickets in children and pregnant women, particularly in immigrant groups in more temperate regions. Experts recommend extra dietary vitamin D supplementation for these populations to prevent deficiencies.
A study analyzing over 1,200 questions from teenagers reveals that most queries focus on bodily symptoms, relationships, and pregnancy, while few address contraception and sexually transmitted infections. The researchers emphasize the importance of integrating mind and body discussions to meet teens' comprehensive needs.
A Mayo Clinic study of 96 women found that embryo quality is key to successful pregnancies, regardless of body mass. The research suggests that uterine function is not the cause of lower birth rates among overweight women using fertility technologies.
A manual, low-tech method for 2nd trimester abortions has been deemed safe and effective. The study, conducted at Johns Hopkins Medicine, compared the procedure to electric vacuum aspiration and found no significant differences in complications or procedure time.
Researchers found that ginsenoside Rb1 can cause abnormalities in rat embryos, particularly at high doses. Pregnant women are advised to be cautious when using ginseng due to potential teratogenic effects.
An environmental epidemiologist from UGA aims to investigate how air pollution affects pregnant women and their unborn babies, building on his earlier research in Peru. He plans to measure personal pollution exposure of 100 pregnant women in Trujillo and analyze blood, urine, and cord blood samples.
Researchers found that fetal exposure to Ecstasy causes changes in brain chemistry and behavior in rats. The study, which mimicked the first trimester of human pregnancy, revealed a 502% increase in dopamine neuron fibers in the frontal cortex of Ecstasy-exposed rats.
A new study found that exposing pregnant rats to MDMA resulted in significant increases in dopamine neuron fibers in the frontal cortex, leading to potential behavioral changes. The study also revealed modest decreases in dopamine metabolism and reductions in serotonin levels, suggesting sex differences in vulnerability to MDMA's prena...
Babies born to African American teen mothers are at higher risk of low birth weight, preterm delivery, and infant mortality compared to older mothers. Study identifies key risk factors, including inadequate weight gain during pregnancy and inadequate prenatal care.
Researchers found an 84% reduction in preterm births among pregnant women with periodontitis who received scaling and root planing therapy. The study suggests that periodontal disease may increase the risk of premature delivery, highlighting the importance of regular dental exams for pregnant women.
Researchers have developed a new test that can accurately record baby's heart rates in the womb in just 20 minutes, allowing doctors to monitor health and detect potential arrhythmias. The technique uses sophisticated filtering and signal processing technologies to pick out the baby's heart signal from background interference.
Researchers at the University of Pittsburgh School of Medicine found that only 16% of pregnant women with parvovirus B19 exhibited symptoms, while 12% experienced fetal heart failure and 16% suffered fetal death. The study highlights the need for closer monitoring and counseling of high-risk patients.
Researchers at UT Southwestern discovered that administering the drug trichostatin A can effectively delay the start of labor in mice by allowing progesterone to continue functioning. This is significant because mice have a short gestation period, and pre-term birth affects over 460,000 infants annually.
A mandated food additive to combat high fetal development risks may inadvertently harm seniors due to low levels of vitamin B-12. The condition, which affects nearly half of US deaths annually, has been linked to cardiovascular diseases and mental confusion in some cases.
The new test uses PAP smears to isolate and genetically identify foetal cells, allowing for non-invasive prenatal diagnosis of chromosomal and single gene disorders. This reduces the risk of miscarriage associated with invasive tests and increases accessibility to prenatal testing for all pregnant women.
A study of 34 surrogate mothers found that none reported misgivings about handing over the baby, with most enjoying good relations with commissioning couples. However, some experienced mild psychological difficulties after handover, which subsided with time.
A study by Dr Ole Christiansen found that women who gave birth to a boy first were at higher risk for subsequent miscarriages and may not be able to carry a child to full term without treatment. The researcher believes that the immune system's reaction to male foetuses is the explanation for these findings.
A study by Elizabeth Asung found that the risk of ectopic pregnancies after IVF-ET decreases with age in women with tubal disease. This is a surprising finding, as the risk typically increases with age in the general population. The study analyzed data from 97,240 women aged 18-50 who underwent IVF between 1991 and 1999.
A study by Kaiser Permanente found that targeted interventions to increase multivitamin use among women of childbearing age had no significant long-term impact. Despite efforts to educate healthcare providers and pharmacists, the success of these interventions was hampered by inadequate implementation and lack of behavioral change.
The study found that single embryo transfer (SET) does not reduce the chances of having a baby, with similar cumulative live birth rates to dual transfers when previously frozen embryos are included. SET also carried fewer risks to mothers and fetuses, with only three sets of twins out of 107 women.
Researchers found a clear association between increased DDT concentrations in maternal blood and decreased chance of pregnancy in daughters. The opposite effect of DDE concentrations was unexpected, but may explain the lack of large changes in human reproductive performance after DDT introduction.