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Pregnancy in Biological News

New research finds possible genetic link to cause of pregnancy loss and disorders

... root of genetic disorders such as Down Syndrome, pregnancy loss and infertility. Called aneuploidy, the ... loss of their ability to support a full-term pregnancy that lined up with an increase in aneuploidy. The ... true in humans: the chance of having an aneuploid pregnancy increases with the age of the mother. For the ...

Will IVF work for a particular patient? The answer may be found in her blood

... difference in expression in early clinical pregnancy compared with a non-pregnant state. The ... in patients who went on to achieve an IVF pregnancy compared with those who did not," she said. ... occurring at implantation, the maintenance of pregnancy and successful or ...

Women with endometriosis need special care during pregnancy to avoid risk of premature birth

... endometriosis also had a higher risk of other pregnancy complications, as well as being more likely to ... investigated the association between adverse pregnancy outcome, assisted reproduction technology (ART), ... ART, which is itself a risk factor for adverse pregnancy outcome. Among women with endometriosis, 11.9% ...

Single thawed embryo transfer after PGD does not affect pregnancy rates

... become a real option after researchers achieved pregnancy rates that were as good as those for blastocysts ... PGD cryopreservation service, can result in pregnancy rates that are comparable to those for ... disorders in their efforts to reduce the multiple pregnancy rates after various forms of assisted conception ...

Complications early in pregnancy or in previous pregnancies adversely affect existing or subsequent pregnancies

... The Netherlands: Complications in early pregnancy or in previous pregnancies can predict ... miscarriages) increased the risk in a subsequent pregnancy of all of these conditions; in addition, it ... haematoma. The survivor in a vanishing twin pregnancy (a ...

3 to 6 months to lose weight gained in pregnancy is normal

... but there is no guarantee Gaining weight in pregnancy is not only normal, it is necessary. The mother's ... not go away as quickly." "Eating for two" in pregnancy can cause problems if you are overweight The ... have become overweight or more overweight during pregnancy have a higher chance of ongoing weight problems ...

Pre-pregnancy depressed mood may heighten risk for premature birth

... collected information about mental health and pregnancy outcomes. Between 1990 and 1996, 555 women in ... not look at depressive mood or depression during pregnancy because the larger research project did not ... another study to look at depressive mood prior to pregnancy and childhood poverty to see if those two factors ...

Bisphenol A exposure in pregnant mice permanently changes DNA of offspring

... Exposure during pregnancy to the chemical bisphenol A, or BPA, found in ... estrogen-like substance during a brief period in pregnancy lead to a change in uterine function," said study ... injected pregnant mice with a low dose of BPA on pregnancy days 9 to 16. After the mice gave birth, the ...

Dioxins in food chain linked to breastfeeding ills

... Exposure to dioxins during pregnancy harms the cells in rapidly-changing breast ... and whether exposure during certain stages of pregnancy had more or less of an impact on milk production. ... For example, when exposure occurs very early in pregnancy but not later, lab experiments showed that ...

Study suggests obese women should not gain weight

... pregnant, gaining between 26-35 pounds during pregnancy can improve the outcome of pregnancy and reduce their chances of having the pregnancy end in fetal death." Until its revised guidelines ...

New guidelines to fight obesity in pregnancy issued

... WHITE PLAINS, N.Y. MAY 28, 2009 -- Starting pregnancy at a healthy weight and gaining the right amount during pregnancy is critical to giving a baby a healthy start in ... obesity and the complications it can cause during pregnancy and delivery for the woman and her baby," said ...

Report updates guidelines on how much weight women should gain during pregnancy

... indicates that how much weight women gain during pregnancy and their starting weight at conception can ... Research Council. The report recommends new pregnancy weight gain guidelines for American women that ... to balance the benefits and risks associated with pregnancy weight change. Noting that ...

Babies born to native high-altitude mothers have decreased risk of low birth weight

... They also tracked fetal growth across pregnancy using ultrasound to measure fetal head and ... level, the changes in uterine artery size during pregnancy were about the same for both the Andean and ... women's blood flow was 68% greater at 20 weeks of pregnancy compared to the non-pregnant state, and the ...

Differences among exercisers and nonexercisers during pregnancy

... among other things, that exercising during pregnancy does not require "stealing" time from other ... wanted to determine if women who exercised during pregnancy spent less time doing specific activities in ... any trends between mothers who exercised during pregnancy and those that do not. A highly reliable and ...

Differences among exercisers and nonexercisers during pregnancy

... among other things, that exercising during pregnancy does not require "stealing" time from other ... wanted to determine if women who exercised during pregnancy spent less time doing specific activities in ... any trends between mothers who exercised during pregnancy and those that do not. A highly reliable and ...

Low levels of vitamin B12 may increase risk for neural tube defects

... blood samples originally collected during early pregnancy from three groups of Irish women between 1983 and ... child with a neural tube defect but whose current pregnancy was not affected. Like the first group, women in ... researchers adjusted the levels measured during pregnancy to provide a target level for women to achieve ...

Pregnancy hormone predicts postpartum depression

... a hormone produced by the placenta midway through pregnancy appear more likely to develop postpartum ... hormone we studied plays an important part in pregnancy and has been linked to depression," Yim said. ... pregnancy. Evidence suggests that stress early in pregnancy could play a role." The researchers studied ...

Smoking during pregnancy may impair thyroid function of mom and fetus

... Chevy Chase, MDCigarette smoking during pregnancy is associated with potentially harmful changes in ... of two groups of women at different stages of pregnancy one in the first trimester and the other in the ... "In both groups we found that smoking during pregnancy is associated with changes in the mothers' ...

Who are you kidding?

... status, the odds of gaining excessively during pregnancy were increased seven-fold among overweight and ... status, these women may be less likely to follow pregnancy weight gain guidelines. Herring said, "As ... misperception reduces the likelihood of excessive pregnancy weight gain." ...

Statin warning for pregnant women

... can affect placental development leading to worse pregnancy outcomes. "The rapid rise in obesity and ... thought to be potentially compatible for use in pregnancy had the same detrimental effect. "These ... growth, which is likely to result in poor pregnancy outcome. "Healthcare professionals should ...

Pregnant women with asthma can be more confident about some medicines

... Budesonide sprays can be regarded as safe for pregnancy - other asthma drugs have not been as well ... Institute has reviewed the evidence on asthma in pregnancy and published information for pregnant women on ... . More trials on medications in pregnancy are necessary Pregnant women with asthma ...

Eating eggs when pregnant affects breast cancer in offspring

... nutrient found in eggs and other foodsduring pregnancy may significantly affect breast cancer outcomes ... is the first to link choline consumption during pregnancy to breast cancer. It also is the first to ... of mothers that had received extra choline during pregnancy had slow growing tumors while daughters of ...

Hairspray is linked to common genital birth defect, says study

... are exposed to hairspray in the workplace during pregnancy have more than double the risk of having a son ... acid supplements in the first three months of pregnancy is associated with a 36 percent reduced risk of ... are taken up until the twelfth week of pregnancy in order to prevent neural tube defects such as ...

UNC, Yale partner to study effects of cocaine use on mother-infant relationships

... million to study the many ways cocaine use during pregnancy can negatively affect interactions between ... will also determine how cocaine use during pregnancy affects mothers' brain structures and hormonal ... including mothers who used cocaine during pregnancy and those who did not. Project 2, also based at ...

Gaining too much weight during pregnancy nearly doubles risk of having a heavy baby

... some time about the link between diabetes during pregnancy and heavier birth weights, and recently have ... standpoint, women who gain too much weight during pregnancy can have a very difficult time losing the weight ... than 40 poundswhich is the maximum recommended pregnancy weight gain--- gave birth to heavy babies. In ...

Depression during pregnancy can double risk of preterm delivery

... interviewed the women around their 10th week of pregnancy and found that 41 percent of the women reported ... what causes it. What we do know is that a healthy pregnancy requires a healthy placenta, and that placental ... to emerging evidence that depression during early pregnancy may interfere with the neuroendocrine pathways ...

Statins may prevent miscarriages

... miscarriages in women who are suffering from pregnancy complications caused by antiphospholipid syndrome ... work as a treatment for women with APS-induced pregnancy complications," said Guillermina Girardi, Ph.D., ... lot of women who continue to take statins through pregnancy and the drugs have not been shown to produce ...

Pregnancy not turning minds to mush: Study

... pregnancy and motherhood may make us all go a little gooey, ... suggests that despite fears mothers may have that pregnancy affects their cognitive functions, there is no ... Life Project database and found that neither pregnancy nor motherhood had a detrimental effect on ...

Guidelines urge physical activity during pregnancy

... LANSING, Mich. Moderate physical activity during pregnancy does not contribute to low birth weight, ... Lanay Mudd and Erin Kuffel wrote the section on pregnancy and postpartum activity as part of the 2008 ... has been quite a dramatic change in regards to pregnancy and exercise," said Pivarnik, who has studied the ...

New study indicates link between weight gains during pregnancy and dieting history

... report that restrained eating behaviors prior to pregnancy were associated with weight gains above the ... settings or in reaction to life events. During pregnancy it would be useful to target these women with ... order to avoid excessive weight gain and adverse pregnancy outcomes such as caesarean sections, Macrosomia, ...

Scientists discover why a mother's high-fat diet contributes to obesity in her children

... recommendations for mothers who are entering pregnancy overweight or obese," said Helen N. Jones, Ph.D., ... the mice were mated. At the end of each mouse's pregnancy the offspring were delivered by c-section and ... than genetics. Cutting back on fatty foods during pregnancy might decrease the chance of having a baby that ...

News from the October 2008 Journal of the American Dietetic Association

... becoming pregnant tend to gain more weight during pregnancy and "regard themselves as less accountable for ... history of dieting and restrained eating prior to pregnancy was related to higher weight gains in pregnancy. ... postpartum weight retention" and other "adverse pregnancy outcomes such as gestational diabetes mellitus, ...

Scientists find 'redesigned hammer' that forged evolution of pregnancy in mammals

... of Ecology & Evolutionary Biology at Yale. pregnancy is a biologically unusual situation where one ... a crucial regulatory link in the evolution of pregnancy involved the altered function of a transcription ... wallabies, where there is a brief and rudimentary pregnancy followed by development of the offspring outside ...

Gap junction protein vital to successful pregnancy, researchers find

... Researchers studying a critical stage of pregnancy implantation of the embryo in the uterus have ... the Cx43 gene in the uterus immediately after pregnancy in mice, a technique developed by researchers at ... findings have important implications for early pregnancy loss and female infertility, she said. "A ...

Recurrence of group B strep high in subsequent pregnancies, say UT Houston obstetricians

... risk of testing positive for GBS during a second pregnancy was 53 percent," said lead author Mark A. ... (ACOG) state that since colonization varies from pregnancy to pregnancy, women should be screened with each ... urinary tract infection as a result of GBS during pregnancy and a previous baby with GBS disease. The CDC ...

Alcohol binges early in pregnancy increase risk of infant oral clefts

... pregnant women who binge drink early in their pregnancy increase the likelihood that their babies will be ... exposures during her first three months of pregnancy when a baby's facial development takes place. ... the dose of alcohol consumed at one time during pregnancy rather than the frequency or total amount over ...

Pregnant mice block out unwelcome admirers to protect their pups

... back into the ovulatory cycle. The scent affects pregnancy by inhibiting the release of the pregnancy hormone prolactin. This phenomenon is often ... sensitivity to male odours. "At day 3 of the pregnancy a chemical change occurs in the brain of the ...

Consumption of nut products during pregnancy linked to increased asthma in children

... or nut products like peanut butter daily during pregnancy increase their children's risk of developing ... daily versus rare nut product consumption during pregnancy and symptoms of asthma in children, because we ... Maternal consumption of allergenic foods during pregnancy may increase the risk that the fetuses they carry ...

Failure of the 1st attempt at assisted reproduction justifies at least 1 additional cycle

... women, the overwhelming majority achieve a pregnancy within the first two attempts, whereas women over the age of 40 had a more consistent, but lower, pregnancy rate of about 20% throughout their first four ... of women who became pregnant (96%) achieved pregnancy by their second attempt, although the probability ...

A new gene trigger for pregnancy disorder identified

... supplement for the treatment of this dangerous pregnancy disorder. Characterized by hypertension, ... development, hypoxia levels are high. As the pregnancy progresses, hypoxia levels should naturally come ... of the beginning of the third trimester in human pregnancy the animals developed protein leak in the urine, ...
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