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Tag: "pregnant" at biology news

Dominant meerkats render rivals infertile

...s most likely (females of breeding age, older, and pregnant females), suffer repeated attacks and chases throu...ate females actually kill other females' pups when pregnant themselves, reducing subordinate female pregnancy rates will reduce the threat of infanticide. Dr ...

Researcher gives hard thoughts on soft inheritance

...In a study with mice hybrids, researchers provided pregnant moms with varying levels of folate and B vitamins,...ation. "The idea was : If you pump these pregnant moms up with these dietary supplements, you might be able to skew the DNA methylation patterns, and ...

Prozac's target revealed

...y surrounding the use of Prozac in children and in pregnant women, Enikolopov's group is currently testing the... of the drug on brain neurogenesis in juvenile and pregnant mice. The results of those experiments may provide valuable information for assessing the possible e...

Movie spies on malaria parasite's sneaky behavior

...of the infection, which can be deadly to children, pregnant women, and others with weak immune systems. After leaving this trail of cellular death and destruction in its wake, the parasite is finally taken up again from the blood when another mosquito bites. Then it reproduces and waits for the mosquito to ...

Hair samples show babies can be exposed to 'crystal meth' while in the womb

... are thought to use it every week, including 5% of pregnant women. The authors carried out hair sample analysis on more than 8,000 people, totalling more than 34,000 test results between 1997 and 2005. In all, 396 samples tested positive for crystal meth, accounting for 8% of the total during this per...

New angiogenesis finding may help fight cancer growth

...sure and low blood oxygen levels harm or even kill pregnant women and their babies. Philip Lowry, at the University of Reading in the United Kingdom, has found that NK-B levels spike in preeclampsia, and the new understanding of NK-B's role in angiogenesis suggests that faulty blood-vessel formation may be to...

Solvent exposure linked to birth defects in babies of male painters

...painters three months before their partners became pregnant were on average six times more likely than the carpenters to father congenitally malformed babies (e.g. defects of cardiovascular, gastrointestinal, urogenital and central nervous systems.) In addition, the painters exposed to the chemicals were 5...

Technology for monitoring fetal oxygen during labor offers no apparent benefit

...and were not revealed to birth attendants. Of the pregnant women who participated, 2629 were randomly assigned to the open group and 2712 women were assigned at random to the masked group. Overall, the researchers found no statistically meaningful differences in Caesarean delivery rates between the groups...

'Nymph of the sea' reveals remarkable brood

...s been christened Nymphatelina gravida, meaning' a pregnant young woman of the sea'. This remarkable discovery provides an unequivocal and unique view of parental brood care in the invertebrate fossil record, it allows gender to be determined in an animal as old as the Silurian period of geological time, and ...

Planning ahead: Having the healthiest baby possible

...bilities, said, "It is not enough to worry about a pregnant woman's health only during her pregnancy or a child's health only after his or her birth, because many of the factors that contribute to the mother's and child's health can be identified and often successfully managed before pregnancy." Bill Tucker,...

Twenty Years of Malaria Research: Outcomes and Perspectives

...o study the efficacy of malaria drug treatments in pregnant women and in children. The unit was forced to m...n addition to studying malaria drug treatments for pregnant women, the unit has carried out crucial research into artemisinin combination therapies (ACTs) aimed...

Stanford discovery may help predict when toxoplasma can be deadly

...addition, women infected for the first time while pregnant can pass the organism to their fetuses, potential...throyd. The findings may play a role in helping pregnant women who become infected for the first time with the parasite. If doctors can test whether the wo...

Down syndrome: It's not just the age factor

Whether or not a pregnant woman will give birth to a child with Down Syndrome is not simply a matter of how old she is. Although it is a fact that as women get older, they are more likely to have a child with Down Syndrome, other factors also play a role. According to Marku...

Malaria treatment efficacy compromised in certain HIV-positive patients

...uppressed immunity represent, next to children and pregnant women, an additional vulnerable group for malaria," says Jean-Pierre Van geertruyden, MD, MSc, lead author of the article. CD4 lymphocytes, white blood cells that serve a critical role in the immune response to malaria, are also the prime target f...

Molecules in blood foretell development of preeclampsia

High levels of two proteins in the blood of pregnant women appear to indicate the subsequent developmen... endoglin. It begins accumulating in the blood of pregnant women 2 to 3 months before they develop preeclampsia. In women who developed preterm preeclampsia, ...

Heavy smoking cuts women's chance of pregnancy -- even with donated oocytes

...tly higher pregnancy rate, with over half becoming pregnant (52.2%), compared with just over a third (34.1%) o... lower in heavy smokers, for those that did become pregnant the multiple pregnancy rate was much higher, with 60% of the heavy smokers expecting twins against 3...

New findings could lead to vaccine for severe malaria

The most severe form of malaria hits pregnant women and children the hardest. A joint study betw... dangerous in that it also infects the placenta of pregnant women, with fatal consequences for both her and the foetus. This, combined with the often feeble med...

Underweight women at greater risk of miscarriage

... who have a low body mass index before they become pregnant are 72% more likely to suffer a miscarriage in the...of miscarriage and, in a finding that will delight pregnant women everywhere, the consumption of chocolate was also found to be associated with lower risk. T...

UCSF study will test new vaginal microbicide for herpes and HIV

...f any sexually transmitted disease. They cannot be pregnant or breast feeding. They must either have regular menstrual periods or not have them at all. Moscicki said that the safety trial is important because earlier spermicidal microbicides like nonoxynol 9, which was an ingredient in a variety of contra...

Backache beaten by good vibrations?

... have had sciatica for less than 12 weeks, are not pregnant and have not had previous spinal surgery. The volunteers will receive advice on managing their pain and either eight sessions of therapeutic ultrasound (TU) or eight sessions of sham TU. They will also be assessed for pain, disability and general ...

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