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Tag: "pregnancies" at biology news

Tiny particles could solve billion-dollar problem

...e to TCE has been linked to liver damage, impaired pregnancies and cancer. Cleanup costs for TCE nationwide are estimated in the billions of dollars. The Department of Defense alone estimates the cost of bringing its 1,400 TCE-contaminated sites into EPA compliance at more than $5 billion. The typical approach...

Rats infected as newborns grew up vulnerable to memory problems during an immune challenge

...actor for Parkinson's disease. Up to 20 percent of pregnancies have complications involving infections of the uterus and its contents, a number that will rise as more children are born premature. In the study, a team led by Staci Bilbo, PhD, injected a group of 49 rat pups on postnatal Day 4 either with the com...

Harmful chemicals may reprogram gene response to estrogen

...rmalities, pregnancy complications such as ectopic pregnancies and preterm deliveries, infertility, and a rare vaginal and cervical cancer called clear-cell adenocarcinoma. Other research conducted by NIEHS scientists indicates that women exposed to DES in utero have a higher risk of uterine fibroids. The Natio...

First frozen egg baby born in Canada

...nsfer produced from vitrified eggs, resulting in 7 pregnancies including this livebirth. "The results are particularly encouraging because this success rate is comparable to regular IVF cycles with ICSI using fresh eggs in many IVF centres," says Dr. Tan. Egg freezing is useful for a number of reasons. "The pro...

Major new UNC-based drinking water study suggests pregnancy fears may be overstated

...ing and bathing and what later happened with their pregnancies and births. Among tests the women underwent were ultrasound examinations to collect more detailed information about their pregnancies. Researchers then, after adjusting for such factors as age, education, alcohol use and prior pregnancy histories, a...

Scripps research scientists identify infertility molecule

...haps even leading to new treatments and successful pregnancies for some of the more than 6 million American women affected by infertility. Fertility and the Demographics of the Western World In the Western world, the last few decades have seen a dramatic shift in when women are choosing to have their first chi...

Nutrition a major factor in rise in twin pregnancies

...nge of adverse birth outcomes associated with twin pregnancies ?cerebral palsy, cognitive impairments, visual impairments, perinatal death ?as well as a scenario in which treatment failed and they did not become pregnant. Participants were asked to read several cards describing the treatment outcomes and then a...

Study finds that a woman's chances of having twins can be modified by diet

...n for his care of and research into multiple-birth pregnancies has found that dietary changes can affect a woman's chances of having twins, and that her overall chance is determined by a combination of diet and heredity. By comparing the twinning rate of vegan women, who consume no animal products, with that of ...

New egg freezing technique offers hope to hundreds of women

...successfully developed for embryo transfer. Twelve pregnancies resulted from 29 embryo transfers (a pregnancy rat...(nine singletons and one pair of twins), while two pregnancies miscarried. The women were aged between 25 and 37. Dr Kuwayama said: "The conventional slow freeze-...

Researchers report technique for freezing and preserving genetically enhanced pig embryos

...os placed in the oviducts of two surrogates led to pregnancies that produced two piglets in one litter and eight piglets in another. Testing confirmed that the piglets carried the modified genetic material and that the new gene had altered the fatty-acid content in tissues from the piglets. With ten piglets f...

Study challenges myth that sex late in pregnancy hastens birth

... sexually active in the final three weeks of their pregnancies carried their babies an average of 39.9 weeks, com...orted they had sex during the final weeks of their pregnancies ?more than any other similar study has indicated. The participating women were those with low-risk ...

Down syndrome: It's not just the age factor

...ers who had already had children. Only late first pregnancies were more likely to produce a Down Syndrome baby, ... trisomies is an increase in frequency of trisomic pregnancies with increasing maternal age. There is strong evidence for uterine selection against genetically di...

Underweight women at greater risk of miscarriage

... increased odds, but the ratios were highest among pregnancies resulting from intrauterine insemination or artifi... of the study, comments: 'An estimated one in five pregnancies in the UK will end in miscarriage2. It can be a very distressing experience for women, and any advic...

A revolution in the monitoring of unborn babies

...day are stillborn in the UK and 10 per cent of all pregnancies each year are high risk. The monitor lets doctors read signals produced naturally by the unborn baby’s heart. They can then intervene if necessary and potentially save their lives. The fetal monitor is the result of years of collaborative work be...

Procedure predicts embryos most likely to result in pregnancy

...ed a metabolic profile of embryos that resulted in pregnancies as well as ones that did not. "We found that proton NMR, a non-invasive nuclear magnetic resonance form of spectroscopy, will determine the metabolic profile of the embryo and accurately predict its reproductive potential," said Seli, who plans to...

HIV and malaria combine to adversely affect pregnant women and their infants

...rly susceptible to PAM whereas women in subsequent pregnancies become protected against PAM. Having HIV results in this loss of protection and makes them as susceptible as first-time mothers. To uncover how HIV affects PAM, Kain and his team collected samples from women in the first pregnancy as well as from...

Prenatal Stress Keeps Infants, Toddlers up at Night, Study Says

...e; it may be part of the reason why mood-disturbed pregnancies are linked to childrens behavioral disorders, like...h is needed to see how we can best promote healthy pregnancies and healthy babies. The ALSPAC study, part of the WHO-initiated European Longitudinal Study of Pr...

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