Tag: "pregnancies" at biology news
Test opens prenatal genetic diagnosis to all
...older women are tested, about 80% of Down syndrome pregnancies
in younger mothers in Australia are currently not identified. The new prenatal test can safely be offered to all pregnant women. It also ensures that invasive tests, with the associated miscarriage risk, are only performed when necessary for confirma...
Europes healthcare systems supports trend for quality and quantity in ART
...s declining, thus reducing the chances of multiple pregnancies
that can be risky for both mothers and their babies. For instance, in 1997 three or more embryos were transferred in 52.6% of treatments. But in 2000 the proportion of transfers involving three or more embryos had dropped to 39.9%. However, there...
Risk of ectopic pregnancies after IVF declines with age in women with tubal disease
...e first study to look at the risk of ectopic  pregnancies
after IVF in a complete national ART register has ...at women face a slightly increased risk of ectopic pregnancies
after IVF. More surprisingly, they found that whereas in the normal population the risk of an ectopi...
Women are more likely to suffer recurrent miscarriages if their first child is a boy
...er of the first child on the outcome of subsequent pregnancies
among patients with unexplained secondary recurren...at are expressed on the surface of the placenta in pregnancies
with boys," he said. "The placenta is created from the foetus and if it is a boy it will carry these...
World first for Swedish researchers mice born from transplanted wombs
...ies. It proves that transplanted uteri can harbour pregnancies
and provides hope that successful womb transplants...the first time that transplanted uteri can harbour pregnancies
and that the rejection of the uterus is similar to other organs." He said further research was neede...
ART laws put patients at risk and should be changed, warns head of Germany's IVF registry
...of multiple pregnancies. In women under 35, 24% of pregnancies
were twins after the transfer of two embryos, and ...directly responsible for a higher rate of multiple pregnancies
and all the problems, including a high incidence of pre-term deliveries and maternal and neonatal mo...
Strategies to boost womens multivitamin use fall short
...e of neural tube defects, which affect about 4,000 pregnancies
and 2,500 to 3,000 births in the United States each year. "But most women of childbearing age in the United States do not take a vitamin containing folic acid regularly," say Jean M. Lawrence, Sc.D., M.P.H., M.S.S.A., of Kaiser Permanente Southern Ca...
Success and single embryo transfer in IVF
...onducted. Under the conditions of this study, twin pregnancies
can be reduced drastically without compromising a patient's chance of a successful pregnancy. All patients younger than 38 are now offered SET and approximately 70% of them accept, with an acceptable ongoing pregnancy rate of 40%. "For this particula...
For ferrets, GPI means 'get pregnancy initiated'
...nta. Failure to implant is a major cause of doomed pregnancies
in humans andother mammals. In ferrets, mating wi... takes about 42 days. The prospect of encouraging pregnancies
with GPI could be crucial to boosting, through assisted reproduction, the populations of black-foote...
Isolation of ferret protein promising for cancer, reproductive studies
...hat GPI supplementation could encourage successful pregnancies
in threatened or endangered species, especially when a fertility problem is due more to a failure in the mother than to the embryo, Bahr and Schulz said. "The GPI work is basic science, but in order to do any sort of assisted reproduction, or to unde...
European Society of Human Reproduction & Embryology annual meeting
...e to restore fertility after chemotherapy Ectopic pregnancies
are they linked to IVF and ICSI? Assisted reproduction in Europe latest figures to be announced Plus keynote presentations with latest findings from top international experts on topics such as: 'The science of fertilisation and the fiction of cl...
University of Idaho, Utah State University team first to clone equine
...reased the team's success. The team established 14 pregnancies
using mule DNA in 113 attempts. Eight of the pregnancies
continued to at least the 40-day stage when heartbeats were detected. To test whether mule DNA could...
Equine cloning may shed light on human cancer causes
...ancies; the first baby has been born, and two more pregnancies
are in the advanced stages." The team concluded that the increase in calcium within the implanted clone cells directly impacted the speed of cell division. Understanding the role of calcium in equine cell activity was a direct result of work conducte...
Association between increased risk of stillbirths and abnormalities with proximity to incinerators
...recent years. Added to which, the lack of data on pregnancies
of under 28 weeks could have underestimated the extent of serious and lethal birth defects Incinerators and crematoria may emit harmful chemicals, including dioxins, although little is known about the long term effects of prolonged low dose exposure....
Assisted reproduction provides bright future for HIV positive men
...sperm), ICSI was the most successful, resulting in pregnancies
in nearly a half of all the embryos transferred. No pregnancies
were achieved using IUI. However, of the 10 HIV positive women treated, only one became pregnant. ...
Pregnant African American teens need more calcium for healthy fetal bone development
...nited States each year and a half million of these pregnancies
resulting in live births, this study could provide critical new data to help improve health in this at-risk population." Shih-Chen Chang, a PhD candidate in the Department of International Health who conducted the retrospective cohort study for his d...
Study finds two-thirds of unplanned pregnancies in women using contraception
...y French researchers has found that a third of the pregnancies
among women in their study were unplanned and that two-thirds of these pregnancies
occurred in contraception users. A fifth of the unplanned pregnancies
happened among women using the...
Womb time drops when hungry mama conceives, Science study says
...se and the cause of 60% of these abbreviated human pregnancies
remains unknown. "If you could reduce preterm birth by some small percentage, you could improve the long-term health and lives of many people," said Frank Bloomfield, a neonatologist and study author from the University of Auckland in Auckland, New ...
Failures in primate cloning may signal impossibility of human reproductive cloning
...ed into surrogates after initial cell division, no pregnancies
were established. Imaging of DNA and basic cell structure revealed that while cell division continued in a superficially normal manner, chromosomal problems existed within each individual cell. "We used antibodies to tag the cell proteins and DNA so ...
Univ. of Pittsburgh Medical Center leads group buying PPL'S cloning, stem cell business
...and two that were born in September. Additionally, pregnancies
from breeding of several single-knockout pigs will likely produce up to 40 more double-knockout pigs by the end of this summer. To operate its xenotransplantation and other businesses, Regenecor Holdings has formed two subsidiaries. Regenecor Inc. o...
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