Tag: "pregnancies" at biology news

Hidden toxin gene in chlamydia linked to chronic illnesses

...and can lead to pelvic inflammatory disease, tubal pregnancies and infertility in women. All of these diseases are caused by chronic inflammation at the site of infection, but not all C. trachomatis strains produce this effect. Since the late 1940s, researchers have believed a toxin might cause the inflammati...

From embryo to placenta, gene transfer in primates a success

...us macaque mothers and carried to term. One of the pregnancies resulted in twins, but only one twin survived to term. Twin pregnancies are rare in rhesus monkeys. Because rhesus macaques are genetically very close to humans, the work u...

Doctors miss chance to advise women of vitamin that prevents birth defects, survey finds

...n with these defects, and many additional affected pregnancies result in miscarriage or stillbirth. The most common NTD is spina bifida, a leading cause of childhood paralysis. Another NTD is anencephaly, a fatal condition in which a baby is born with a severely underdeveloped brain and skull. To help prevent ...

UC Davis' first cloned calf born, succumbs three days later

...y with cloned embryos. Calves resulting from those pregnancies would be born in early spring....

Austrian scientists identify gene involved in recurrent miscarriages

...ournal, Human Reproduction.* Nearly a fifth of all pregnancies end in miscarriages, but up to two per cent of women suffer recurrent miscarriages i.e. three or more consecutive pregnancy losses before 20 weeks. The research team has found evidence that a variation in a gene - NOS - which is known to be involved ...

Sorting the girls from the boys

...." He said that as of May this year, 297 MicroSort pregnancies had been achieved and 187 babies had been born so far. The MicroSort facility is currently based at Fairfax but other locations are being considered and semen can be sorted and frozen for use with IVF and/or PGD by collaborators around the world....

Doctors perform more IVF treatments, but multiple births decline

...fia Hospital in Stockholm, Sweden, said: "Multiple pregnancies are risky for both the mother and the fetuses, so it is very good news that the number of multiple births is decreasing. Health professionals are pleased about this, and patients should be too. "Furthermore, although the number of multiple deliverie...

Discovery of follicles offers hope of babies for Turners syndrome girls

...ndrome women are usually infertile and spontaneous pregnancies occur in only about 25% of them. However up to 30...n occur as a result. However, so far no resulting pregnancies have been reported in humans. Mr Hreinsson said: "We hope to be able to transplant the cryopreserved...

Study allays fears about the physical and psychological development of ICSI children

... follow-up evaluation, half had come from multiple pregnancies which carry their own risks, both in terms of medical complications at birth and the natural stresses on parents who have to learn to cope with not just one new baby but two, or possibly more, at the same time. Dr Palermo, who first developed the ICS...

Scientists report the first live births in large mammals after using frozen ovarian tissue

...n, reported that from six ewes there had been four pregnancies which had produced three live lambs, one lamb that died shortly after birth and two twins that died after a premature delivery. Prof Salle and Dr Lornage told the European Society of Human Reproduction and Embryology annual meeting at Lausanne today ...

Berlex Laboratories announces FDA approval of YASMIN (R), new oral contraceptive with unique progestin

... use or switch brands. "Nearly 700,000 unintended pregnancies occur each year in this country because women stop taking their birth control pills," said Amy R. Niles, Executive Director of the NWHRC. The results of our survey show that women are dissatisfied with the choices currently available to them. That ...

Gene defect in toxin clearance associated with pre-eclampsia in pregnancy

...eft untreated, and can be fatal. Around one in 20 pregnancies is affected. Researchers looked for genetic defects in the blood samples of 183 women who were not pregnant, but who had a history of pre-eclampsia, and 151 healthy women. The women were roughly the same age. The researchers focused on the gene res...

Researchers concerned over early egg retrieval after cancer treatment - doctors advised to monitor pregnancies as mice study reveals problems

...experts is asking doctors to monitor carefully the pregnancies and babies of all women who undergo egg retrieval ...nduce genetic damage and has raised concerns about pregnancies in cancer survivors and the health of the children, all the studies on pregnancy outcome to date hav...

Study: living near where pesticides used may boost fetal death due to birth defects

... Scientists compared the cases of 73 women whose pregnancies ended because of birth defects with 611 control subjects whose pregnancies ended in normal live births. "Our study showed a consistent pattern with respect to timing of ex...

Fertility experts urge clinics to consider natural cycle IVF instead of routine use of ovarian stimulants

...igious dilemmas while problems related to multiple pregnancies still occurred and added significantly to the number of premature births and subsequent costs in neonatal care. Analysis of costs of the two methods showed that, in the UK, natural treatment cycles could be offered at 23% of the costs of stimulated ...

First genetically modified monkey, reported in Science, may promise medical advances for humans

...he embryos were transferred to 20 surrogates, five pregnancies resulted. Three healthy male babies were born, while two infants were stillborn, and another pregnancy didn't develop. Of the healthy infants, only ANDi demonstrated successful transgene integration. His extra DNA was determined by amplifying and...

NICHD funded researchers first to genetically modify non human primate

...he eggs were then fertilized, resulting in several pregnancies and the birth of three live monkeys. The gene was successfully incorporated into one monkey's DNA, making this the first genetically modified non-human primate. Previous gene transfer attempts in animals have been confined largely to rodents and ag...

New research shows calcium deficiency permits faster lead release from pregnant women's bones

...lood samples from each woman for lead during their pregnancies and took extensive patient histories. "We found not only that calcium intake at the recommended daily allowance level protected somewhat against lead, but also that higher calcium levels corresponded with even less lead," Hertz-Picciotto said. "The p...

Research suggests possible marker, preventive treatment for preeclampsia

...brake" high blood pressure, increase during normal pregnancies and are low in pregnant women with preeclampsia. T...hormone's levels increased by 50 percent in normal pregnancies compared to a non-pregnant control group. In pregnant women with preeclampsia, levels of angiotensin...

Ringling Bros. announces four Asian elephant pregnancies at Center for Elephant Conservation

... We are extremely proud to have four simultaneous pregnancies at the CEC. It speaks volumes about our outstandi...ersity, is working with Dr. Lindsay to monitor the pregnancies and will continue to counsel the CEC as it moves forward with its breeding program. As part of ...

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