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Tag: "pregnancy" at biology news

One-third of adults with diabetes still don't know they have it

...r higher have had diabetes that developed during pregnancy (gestational diabetes) or have given birth to a baby weighing more than 9 pounds have polycystic ovary syndrome, a metabolic disorder that affects the female reproductive system have acanthosis nigricans (dark, thickened skin around neck or armpi...

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

...ngs of this study suggest that women contemplating pregnancy might consider substituting meat and dairy products with other protein sources, especially in countries that allow growth hormone administration to cattle," said Dr. Steinman. Dr. Steinman has been studying factors that cause or contribute to twinn...

Nicotine exposure during development leads to hearing problems

...tists know that children of women who smoke during pregnancy can develop hearing-related cognitive deficits. Fo... precisely what aspect of smoking is so harmful in pregnancy when it comes to cognitive hearing deficits," Metherate said. "Most women who smoke find it difficul...

New egg freezing technique offers hope to hundreds of women

...ival rate for the freeze-thawed oocytes and a high pregnancy rate of nearly 42% after the oocytes had been fertilised and implanted in the women. This pregnancy rate is practically the same as the rate we can achieve in our clinic using fresh oocytes." The Cry...

Smooth sailing: 'cruise ship virus' tackled by UH, Baylor College of Medicine

...d a diagnostic tool that mimics something like the pregnancy test in speed and ease of use, we could create a platform for rapid detection of this virus and other pathogens." The tool Ruchhoeft and Willson are building will rely on the disease protein/antibody relationship that occurs in the human body. A...

Schepens scientists are first to discover angiogenesis switch inside blood vessel cells

...ood flow after injury, prepares a woman's body for pregnancy and increases circulation in a damaged heart. But, it can also nourish cancer tumors and damage delicate retinal tissues when uncontrolled. The angiogenic process is triggered by what the body perceives as a need for additional blood flow. In the ...

Dominant meerkats render rivals infertile

...n pregnant themselves, reducing subordinate female pregnancy rates will reduce the threat of infanticide. Dr Andrew Young, Department of Zoology, University of Cambridge, who led the research said, "The findings are particularly exciting as the consensus emerging from prior research on cooperative species wa...

US infant mortality rate fails to improve

...men and their doctors what they can do?even before pregnancy ?to help give babies their full nine months of ges...in containing folic acid prior to and during early pregnancy to reduce the risk of serious birth defects; abstain from drinking alcohol during pregnancy and see ...

Researchers report technique for freezing and preserving genetically enhanced pig embryos

...se many embryos are needed to produce a successful pregnancy in surrogate female pigs, this new procedure will enable workers to collect an adequate number of altered embryos and store them until they can be transplanted to a surrogate. Swine embryos have been difficult to freeze and preserve because of their...

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

...caine. . Drug abuse increases complications of pregnancy and triples the likelihood of serious medical problems among the babies born, say the authors....

Study challenges myth that sex late in pregnancy hastens birth

...ng in sexual intercourse during the final weeks of pregnancy can hasten labor and delivery. In fact, just the ...ledged that women who are more comfortable late in pregnancy may be more likely to engage in sexual activity, and that women who experience abdominal discomfort ...

New angiogenesis finding may help fight cancer growth

...els form when wounds heal and during menstruation, pregnancy and fetal development. But impaired blood-vessel d...ly, and since adults need angiogenesis only during pregnancy and to heal wounds, blocking angiogenesis could be a promising way to halt tumor growth. Also in Jun...

Study suggests evolutionary link between diet, brain size in orangutans

... at greater risk for nutritional stress because of pregnancy and lactation and their smaller homes ranges. "The general scenario supported by these results, then, is that an increase in the frequency of uncontrollable periods of low energy intake in one part of the orangutan's geographic range selected for a...

Planning ahead: Having the healthiest baby possible

Women who improve their own health before pregnancy have a better chance of delivering a robust, healt...ry 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 ...

Emergency contraception fails to halt abortions

...ception does not have a notable effect on rates of pregnancy and abortion, according to an editorial in this we...hreefold, but had no measurable effect on rates of pregnancy or abortion. Most women who did not use their supply, said they did not realise they had put the...

Down syndrome: It's not just the age factor

...gnificantly higher in older mothers in their first pregnancy than in older mothers who had already had children. Only late first pregnancies were more likely to produce a Down Syndrome baby, not late second or third pregnancies. In addition, the larger the gap between pregnancies, the higher the rates of Do...

Researchers discover that sheep need retroviruses for reproduction

...occurring endogenous retroviruses are required for pregnancy in sheep. In particular, a class of endogenous ...or enJSRVs, are critical during the early phase of pregnancy when the placenta begins to develop. Retroviruses, such as human immunodeficiency virus or HIV, ar...

Scientists design simple dipstick test for cocaine, other drugs

... user-friendly kits similar to those used for home pregnancy tests. "Building upon our earlier work with lead (Pb) sensors, we constructed colorimetric sensors that are based on the lateral flow separation of aptamer-linked nanostructures," said Yi Lu, a chemistry professor at the U. of I., and a researcher a...

Molecules in blood foretell development of preeclampsia

...els also rose in the 33rd through the 36th week of pregnancy for women who later developed gestational hyperten...levels of both soluble endoglin and sFlt1 early in pregnancy might be especially helpful in predicting the later development of preeclampsia. Detecting high lev...

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

...ugal and Spain, comes as a result of comparing the pregnancy rates between non-heavy smokers and heavy smokers,... "The non-heavy smokers had a significantly higher pregnancy rate, with over half becoming pregnant (52.2%), compared with just over a third (34.1%) of the heavy...

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