Tag: "pregnant" at biology news

Premature birth linked to lack of nutrition before pregnancy: study

...diet and food intake before they even know they're pregnant because proper nutrition after pregnancy may not compensate for the lack of it beforehand. Even a modest restriction around the time of conception could have far-reaching consequences," says Challis. "We know now that this period of undernutrition co...

Five studies look at risks of differing particulate matter, including exposures on 9/11

...ensitive to air pollution. Other studies show that pregnant women exposed to high levels of air pollutants are more likely to have lower weight babies. What's been missing, until now, is a convincing biological explanation of exactly how pollution causes these physical changes. Dr. Renaud Vincent, a scientist...

Folic acid-iron supplements reduce risk of low birth weight

...etter." For the study, CHN researchers gave 4,926 pregnant Nepalese women one of the following daily supplements: folic acid, folic acid-iron, folic acid-iron-zinc or a multiple micronutrient supplement containing folic acid, iron and zinc and 11 other micronutrients. All participants received vitamin A, wit...

The spice of life: Antibody cocktail targets deadly foodborne germs

...om foodborne illness include infants, the elderly, pregnant women and those with weakened immune systems. Antibodies can be developed for virtually any foodborne germs, including viruses, the researcher says. One possible candidate is the norovirus, which has recently been linked to a rash of outbreaks of flu...

Chemical in soy alters reproductive organs in male rats

...ibed in the April issue of the Journal of Urology, pregnant female rats were randomly assigned to one of three regimens: a genistein-free diet, a diet supplemented with a low dose of genistein, and a diet with a high dose of genistein. Male offspring were exposed to genistein indirectly through maternal con...

Gene mutation exacerbates eye defect in inherited glaucoma

...administered the chemical to the drinking water of pregnant mice lacking both Cyp1b1 and tyrosinase. They found that the treatment prevented the severe abnormalities in pups born to the mice who had been fed L-DOPA. John noted that another enzyme, tyrosine hydroxylase, is also involved in L-DOPA production, s...

Researchers identify new gene mutation in glaucoma

...administered the chemical to the drinking water of pregnant mice lacking both Cyp1b1 and tyrosinase. They found that the treatment prevented the severe abnormalities in pups born to the mice who had been fed L-DOPA. John noted that another enzyme, tyrosine hydroxylase, is also involved in L-DOPA production, s...

The elusive preeclampsia factor discovered?

... complication of pregnancy and affects up to 5% of pregnant women.Diagnosed in its early stages by elevated bl... in women with preeclampsia, the scientiststreated pregnant and non-pregnant rats with this protein. Irrespective ofpregnancy, the exposed rats exhibited severa...

BIDMC researchers identify source of preeclampsia

..., the researchers administered the protein to both pregnant and non-pregnant rats to test whether sFlt1 was at the root of the problem. "The resulting data was exciting," says Karumanchi. "The rats that were exposed to sFlt1 had distinct clinical and pathological symptoms of preeclampsia, demonstrating for th...

Study: Prenatal screening in Haiti region cut syphilis by 75 percent

...area, an effective program for syphilis control in pregnant women is feasible," said Dr. Frieda M. T. Behets o...rry out serologic screening for syphilis and treat pregnant women successfully." Behets is research associate professor of medicine and research assistant profe...

HHS announces contracts to develop safer smallpox vaccines

...viduals with weakened immune systems, children and pregnant women, said Secretary Thompson. The new contracts will help us meet this need by accelerating research on second-generation smallpox vaccines. Milestone-driven contracts such as these are one way NIAID is eliciting industry participation in the sear...

Premature births soar in US, now #1 obstetric problem

...e Medicine. The results of a similar survey of 605 pregnant women appears in this month's issue of Contemporary OB/GYN. "Prematurity is a common and serious problem," says campaign honorary chair Dr. Louis W. Sullivan, former U.S. Secretary of Health and Human Services. "Women and their doctors need to addre...

Scientists discover what makes human embryo attach to uterus

...ctin to diagnose if a woman is capable of becoming pregnant and to pinpoint causes of infertility. Fisher and her colleagues discovered that when the time is right for implantation, the outer cells of the early embryo, or blastocyst, express a protein known as L-selectin while the uterus becomes enriched with...

Researchers discover how embryo attaches to the uterus

...fer insight into preeclampsia. In this condition, pregnant women develop dangerously high blood pressure that may lead to convulsions and even death. With previous NICHD funding, Dr. Fisher and her colleagues learned that preeclampsia appears to result from a failure of placental cells to convert to blood v...

Study finds more than 1 in 10 pregnant women drink alcohol

...l and Experimental Research. The study asked 1,131 pregnant women, ages 18-46, in obstetrics clinic waiting rooms about their alcohol use. Questions about alcohol use were included between other survey questions about overall health, exercise and tobacco use. The women also answered questions about their drin...

Mercury associated with risk of heart attack

...ly a concern in specific high-risk groups, such as pregnant women and women of childbearing age who may become pregnant, but this warning should perhaps be extended to the general adult population," wrote the researchers in their study. The researchers do not advise people to stop eating fish, and their analy...

New study pursues the impact of pregnancy on drug efficacy

Whether pregnant women with conditions ranging from ulcers to AIDS ...re betting they'll find that to maintain efficacy, pregnant women will need higher doses and that the placenta, a 2-pound temporary organ of pregnancy, is why. ...

Two landmark fertility studies give hope to young male cancer patients

...red embryos into two surrogate rabbits. One became pregnant and gave birth to one baby, the donor origin being confirmed by coat colour. Senior author Dr Atsuo Ogura from the Institute of Physical and Chemical Research Bioresource Center in Ibaraki, said: "Fertility protection is an urgent clinical problem fo...

Genetic clash doubles schizophrenia risk

...Rh protein is called Rhesus D factor (RHD). When a pregnant woman is Rh-negative and her fetus is Rh-positive,...ylactic injection became available for Rh-negative pregnant women whose Rh factors did not match their fetuses'. Now widely used, the drug prevents women's immu...

Moderate alcohol consumption during pregnancy is risky too

...s field of research as well as signal a warning to pregnant women and their family practitioners and obstetric...e less functional. For this study, three groups of pregnant rats consumed a two-percent, three-percent or five-percent alcohol liquid diet throughout gestation....

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