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Tag: "pregnancy" at biology news

BRCA1 causes ovarian cancer through indirect, biochemical route

... cycles through their life without interruption by pregnancy or oral contraceptive use are at highest risk for developing sporadic ovarian cancer," Dubeau explains. "So we had some clues that the cells that control the menstrual cycle-the ovarian granulosa cells-have an influence on ovarian cancer." But how? ...

Bone Density Recovers After Teens Stop Injected Contraceptive

...gainst the potential consequences of an unintended pregnancy that could result from using a less effective method.?/p> On November 17, 2004, the U.S. Food and Drug Administration issued a “black box warning?for DMPA, stating that prolonged use of the drug may result in significant loss of bone density, tha...

PET/MRI scans may help unravel mechanisms of prenatal drug damage

... transferred between a mother and her fetus during pregnancy may help us unravel the mechanisms of the drug's damaging effects on unborn children," said SNM member Helene Benveniste, M.D., Ph.D., chair of Brookhaven's medical department in Upton, N.Y., and lead author of the paper, "Maternal and Fetal 11C-Coca...

Harmful chemicals may reprogram gene response to estrogen

...creased risk for reproductive tract abnormalities, pregnancy complications such as ectopic pregnancies and preterm deliveries, infertility, and a rare vaginal and cervical cancer called clear-cell adenocarcinoma. Other research conducted by NIEHS scientists indicates that women exposed to DES in utero have a h...

First frozen egg baby born in Canada

...he patient went through an uncomplicated full-term pregnancy and straightforward delivery," says Dr. William Buckett, the MUHC physician who looked after the mother during the pregnancy. The parents, who requested anonymity, described the procedure as easy and uncomplicated. The father stated: "Words cannot de...

Technique may allow cancer patients to freeze eggs, preserving fertility before starting treatment

...one thing; thawing them safely so they can lead to pregnancy is the challenge. In the past, efforts to freeze a woman's eggs, or oocytes, have not worked well because the cells are large. When the egg is thawed, ice crystals cause damage that prevents the egg from being fertilized. U-M researchers looked beyo...

Research shows smoking adds a decade to reproductive age of IVF patients

...to 20% for non-smokers." The miscarriage rate per pregnancy was also significantly higher for women who smoked, with around 21% losing their babies compared with around 16% of non-smokers. Overweight women also fared badly with a 33% lower chance of a live birth from their first treatment cycle. As with smok...

New miniaturised chip dramatically reduces time taken for DNA analysis

...r cost and availability will be similar to that of pregnancy test kits found in pharmacies. The researchers Sa...d and the product to become as widely available as pregnancy test kits we can buy at the local pharmacy". Electrochemical genosensors vs DNA chips Identifying ...

Major new UNC-based drinking water study suggests pregnancy fears may be overstated

...3,132 women in the three areas who were planning a pregnancy or who had been pregnant for fewer than 12 weeks. ...h factors as age, education, alcohol use and prior pregnancy histories, analyzed the data to see what effects the byproduct compounds might have had on pregnancy...

Antiretroviral Therapy May Prevent HIV Transmission From Breastfeeding Mothers To Infants

...apine, lamivudine, and zidovudine beginning during pregnancy or postpartum, and 25 women from an earlier time period with comparable HIV disease, who did not receive antiretroviral therapy because it was unavailable to them at the time they were breastfeeding. The results indicated that antiretroviral therapy...

Circulating stem cells play small role in lung repair

...cytes in female lungs might result from an earlier pregnancy with a male fetus cannot be ruled out, Zander said. However, the association between the number of those cells found in the lung tissue with damage from rejection makes that unlikely. There was no sign of fusion between the bone marrow-derived cells...

Candida albicans Genome Fully Annotated

...cytes in female lungs might result from an earlier pregnancy with a male fetus cannot be ruled out, Zander said. However, the association between the number of those cells found in the lung tissue with damage from rejection makes that unlikely. There was no sign of fusion between the bone marrow-derived cells...

Any exposure to tobacco smoke during pregnancy is risky

...suggests that exposure to second-hand smoke during pregnancy can be just as detrimental to a developing fetus a... "This analysis shows not only that smoking during pregnancy causes genetic damage in the developing fetus that can be detected at birth, but also that passive ?...

One hit of crystal meth causes birth defects

.... "We've known for a while that meth abuse during pregnancy is associated with low birth weight, cleft palates...elop. "People usually think the last trimester of pregnancy is when developing brain function is most susceptible to damage, but in this case the brain is also ...

Scripps research scientists identify infertility molecule

...ore pronounced for mature women who are attempting pregnancy because a woman's egg production decreases with age, especially after the age of 35. Often, women will undergo treatments for infertility that range from taking hormones to stimulate ovulation to having their eggs harvested by doctors, fertilized by...

Drug Offers Alternative to Surgical Treatment After Miscarriage

...atient basis.?/p> The study authors wrote that pregnancy failure, or miscarriage, occurs in 15 percent of p...w years, physicians have used misoprostol to treat pregnancy failure, and some researchers have conducted a few small studies of the drug’s effectiveness in trea...

Sleeping Sickness Epidemic Spreading in Uganda

...atient basis.?/p> The study authors wrote that pregnancy failure, or miscarriage, occurs in 15 percent of p...w years, physicians have used misoprostol to treat pregnancy failure, and some researchers have conducted a few small studies of the drug’s effectiveness in trea...

Researchers seek to discover what really happens when a virus enters the body

...nclude the development of a fetus during a woman's pregnancy and the production of milk by lactating women. So the question remains: do we really know what a body's host cell does when a virus infects it? Bell and Duca's collaboration is an attempt to profile the host-virus system using the electrical engi...

OHSU research shows vitamin C counteracts some negative impacts of smoking on unborn babies

...s born to mothers who continue to smoke throughout pregnancy despite physician warnings. The research is publis...rcent of pregnant mothers continue to smoke during pregnancy -- this translates to about a half a million American women a year. Reflecting the highly addictive ...

Pregnant women at higher risk for HIV, Uganda study finds

...n of this potential risk of HIV acquisition during pregnancy and promote safe sex or sexual abstinence where fe...at reported a greater risk of acquiring HIV during pregnancy than after delivery. However, neither study accounted for risk factors that contribute to HIV risk. ...

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