Tag: "pregnancy" at biology news

Marijuana use could cause tubal pregnancies

... over-stimulate the CB1 receptor can cause ectopic pregnancy in humans. However, "our results raise caution for...andamide also have been shown to cause spontaneous pregnancy loss in women. "I feel that it has a fundamental physiological function in reproduction," said Dey, ...

Folic acid vitamin use by women reaches all-time high, March of Dimes survey finds

...ption of the B vitamin folic acid beginning before pregnancy is crucial because serious birth defects of the br...o be effective, folic acid must be consumed before pregnancy -- up from only 2 percent in 1995. Those who know that folic acid helps prevent birth defects incre...

The birth of reproductive health: A difficult delivery

...r half a million women dying from complications of pregnancy and childbirth every year. "Getting it right on reproductive health cannot wait another decade," says Dr El Feki. "The largest generation of young people in history...is entering adulthood. They are making their sexual debut at ever earlier ...

New research suggests link between maternal diet and childhood leukemia risk

...t eating more vegetables, fruit and protein before pregnancy may lower the risk of having a child who develops leukemia, the most common childhood cancer in the United States. "This is the first time researchers have conducted a systematic survey of a woman's diet and linked it to the risk of childhood leukemi...

Rising childhood leukaemia incidence prompts conference

...fer to the foetus of damaging agents, medicines in pregnancy and delayed transgenerational susceptibility through the germline.(ends) Notes to Newsdesk: The conference is taking place at Church House, Dean's Yard, Westminster, London, from Monday 6 September to Friday 10 September. All sessions of the conferen...

OHSU-VAMC study sheds light on estrogen's benefit for MS

... The study found that estrogen treatment simulates pregnancy in increasing T cell levels. It also demonstrated ...tly in females than in males. But the link between pregnancy and MS has been hotly debated. In 1998, scientists in France went a step closer to putting the issue...

Genetic clues found for common congenital brain disorder

...earing mental retardation, choose to terminate the pregnancy if the disorder is diagnosed soon enough. A relia...ould be used to reassure parents that a subsequent pregnancy was normal. The story of Dandy-Walker malformation has come full circle, note the authors. The nam...

Study suggests cell-cycle triggers might be cancer drug targets

...ues and organs are already formed. A typical mouse pregnancy last 18 days. (In a companion paper in Cell, researchers from Spain report similar findings involving protein kinases called CDK4 and CDK6, which are molecular partners of the D-cyclins. Embryonic mice with both CDK molecules knocked out had normal t...

Alcohol-use and depression among pregnant and postpartum women

...s, binge drink, or smoke at any point during their pregnancy may be at risk for depression and alcohol use duri... binge drink, or smoke at any point during their pregnancy may be at risk for depression and alcohol use during their first postpartum year. "Individuals suffe...

Excess thyroid hormone harmful to fetus

...rst time, that an excess of thyroid hormone during pregnancy has a direct toxic effect on the fetus, tripling t...sed by a lack of sufficient thyroid hormone during pregnancy are well known and approximately two percent of all pregnant women now take supplements to prevent a...

Coordinating power of circadian rhythms keeps estrus and pregnancy on track

...tant females exhibited high rates of mid-gestation pregnancy failure, a process that had not previously been linked to circadian rhythms. These experiments increase the understanding of the way complex physiology can be regulated by circadian rhythms. More broadly, the findings have implications for hum...

LBP-1a gene mutation linked to disruption of normal fetal development

...ack of LPB-1a is similar to complications in human pregnancy linked to pre-eclampsia and missed abortion. Pre-eclampsia is an abnormal condition during pregnancy that triggers hypertension and fluid retention in the mother and can lead to the more severe conditi...

DFG presents the 2004 MAK and BAT value lists

... phenylpropene and trimethylamine were assigned to pregnancy group D which essentially states that classification into group C is not possible due to the available data. A risk of harming the embryo currently appears rather unlikely if the MAK values are complied with but cannot be ruled out with sufficient ce...

Anxiety during pregnancy affects child behavior

The idea that a woman's emotional state during pregnancy affects her unborn child has persisted for centuri... affect of high levels of anxiety during a woman's pregnancy on her child's susceptibility for attention deficits, hyperactivity, acting out and anxiety disorder...

JCI table of contents, 1 July 2004

...oximately 1-3% of all couples experience recurrent pregnancy loss, and about 5070% of all conceptions fail. The...conditions, however, remain unknown. Many cases of pregnancy loss are known to due to damage to the fetus through genetic, anatomic, endocrine, orInfectious mean...

A pregnant pause for unexpected interactions

...oximately 1-3% of all couples experience recurrent pregnancy loss, and about 5070% of all conceptions fail. T...onditions, however, remain unknown. Many cases of pregnancy loss are known to due to damage to the fetus through genetic, anatomic, endocrine, orInfectious mea...

Gestational diabetes not found to alter the metabolic processes in obese pregnant women

... concerns related to pregnancy. The energy cost of pregnancy and amount of increased fat during pregnancy vary among women in different cultures. Consequently, recommendations for nutritional intake in pre...

Lupus Research Institute awards $3 million in novel research grants to further new science in lupus

...tients that can lead to strokes, heart attacks and pregnancy loss. Researchers will use novel approaches to measure tissue factor activity to explain why some lupus patients tend to develop clots, and will assess whether newly developed blood tests can serve as a biomarker to identify the patients at risk for ...

Assisted reproduction can't compensate for waiting too long to start a family

... conceive at the age of 30 will start a successful pregnancy within one year. Two-thirds of those starting at 3...ccessful. "But, if women of 30 at first attempt at pregnancy turn to ART after four years of trying unsuccessfully, women of 35 turn to ART after three years of ...

Nature's ambush: pregnancy more likely from single unprotected intercourse than believed

... intercourse is more likely to lead to an unwanted pregnancy than was previously believed. In a study on women who had either been sterilised or were using an intrauterine device (IUD) the frequency of intercourse increased during the six most fertile days of the menstrual cycle and peaked at ovulation despit...

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