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Tag: "pregnancy" at biology news

How mammals fuel milk production may have implications for cancer

... occur in the mammary gland at the transition from pregnancy to lactation.? Although breast cells do not prol... protein kinase Akt1 rises in concentration during pregnancy and lactation, suggesting a potential developmental role for the kinase in milk production. Another ...

New findings could lead to vaccine for severe malaria

...delivery. "For some reason, women in their first pregnancy lose the semi-immunity that is normally found in adults," explains Niloofar Rasti, a KI graduate student who has been working with the study. "The placenta seems to be an anatomically favourable environment for a subpopulation of the parasites." The...

Underweight women at greater risk of miscarriage

...d 603 women aged 18-55 in the UK whose most recent pregnancy had ended in first trimester miscarriage (less tha...weeks gestation) and 6,116 women whose most recent pregnancy had progressed beyond 12 weeks. The women were asked about socio-demographic, behavioural and other ...

Vitamin D deficiency widespread during pregnancy

...urprisingly, poor maternal vitamin D status during pregnancy is a major risk factor for infant rickets, which a...of maternal blood were collected prior to 22 weeks pregnancy and again just before delivery, Samples of newborn umbilical cord blood also were tested for 25 hydr...

Cornell researcher helping develop quick, cheap HIV/AIDS test

...-lymphocytes in the blood that can be likened to a pregnancy test using biosensor nanovesicles (microscopic, fluid-filled pouches made of phospholipids that can deliver drugs -- also known as liposomes) to enhance the signal. Several other consortium organizations also are working on the similar product develo...

A revolution in the monitoring of unborn babies

...omen in NHS hospitals were due to complications of pregnancy or childbirth. By helping to detect potential problems with unborn babies early and monitoring expectant mothers in their own homes it is hoped the device could relieve the pressure on in-patient stays and reduce hospital costs. As well as spotting p...

Pregnancy hormone key to repairing nerve cell damage

...dy. "However, no previous study has tested whether pregnancy actually results in the production of new myelin, ...that introducing prolactin mimicked the effects of pregnancy on myelin production and repair in mice that weren't pregnant. "The results of this study shou...

Experimental vaccine given during pregnancy reduces stillbirths from common virus

...The virus can also damage the placenta, leading to pregnancy loss. CMV is present in bodily secretions and is spread through close personal contact, such as kissing or sharing eating utensils. For example, an infant in daycare could give the virus to her pregnant mother by kissing her on the lips, said Dr....

Prenatal cocaine's lasting cellular effects

... 1980s was greatly exaggerated, cocaine use during pregnancy can cause subtle but disabling cognitive impairments -- attention deficits, learning disabilities and emotional problems. A recent study by investigators at the Vanderbilt Kennedy Center for Research on Human Development may help explain the long-t...

The penalty of having a sister -- why sibling sex matters for male saiga antelopes

...r young also showed that they invest more in their pregnancy than any other hoofed mammal, with some mothers carrying young up to 38% of their own body weight. The research was carried out on populations of saiga antelopes living on the Eurasian steppe in the autonomous Republic of Kalmykia, Russia....

Scientists genetically engineer tomatoes with enhanced folate content

...diets are typically suggested for women planning a pregnancy or who are pregnant. Without it, cell division would not be possible because the nutrient plays an essential role in both the production of nucleotides--the building blocks of DNA--and many other essential metabolic processes. Deficiencies of the ...

Study shows dramatic increase in Caesarean sections

...al reasons for caesareans such as complications in pregnancy or labour/delivery and was more likely due to soci...ealth Research, said that even after adjusting for pregnancy and delivery complications and sociodemographic factors, the increases were significant. Women in 1...

Premature births may be linked to seasonal levels of pesticides and nitrates in surface water

...lleagues have focused attention on the outcomes of pregnancy in Indiana and the United States in relation to en... our environment has potential pandemic effects on pregnancy outcome and possibly on child development is a momentous observation, which hopefully will help tran...

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

...an urgent need to understand these diseases during pregnancy and turn this knowledge into effective therapies. ...ow women acquire protection against malaria during pregnancy and how HIV infection impairs that protection. By understanding how they lost protection in the face...

New vaccine prevents CMV infection and disease in mice

... serious problem in developing infants during the pregnancy or in those whose immune system is compromised, such as AIDS or transplant patients.” When a persistent virus such as CMV infects an individual, it disarms the host immune system in two ways – by hiding or masking the proteins that would normally ...

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

...rn to mothers who were depressed or anxious during pregnancy experienced more sleep problems. For instance, mothers classified as clinically anxious 18 weeks into pregnancy, compared to their non-anxious counterparts, were about 40 percent more likely to have an 18-month-old who refused to go to bed, woke earl...

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