Tag: "fertilization" at medical news
Steroid use fails to boost pregnancy rates in infertility treatments
...ypes of assisted reproductive technology. In vitro fertilization
(IVF) involves removing mature eggs from a womans ...plasmic sperm injection (ICSI) is another in vitro fertilization
practice where a single sperm is injected directly into a harvested egg. The meta-analysis pooled ...
Mayo Clinic researchers recommend embryo transfer delay for at-risk women
...irth of a live baby for women who undergo in vitro fertilization
who demonstrate risk of ovarian hyperstimulation s...sfer into the mother's uterus is delayed after the fertilization
of the mother's eggs in the laboratory, and all embryos are frozen until the mother's risk subsides ...
2006 Science-in-Society award winners announced
...ution (Houghton Mifflin). This history of in vitro fertilization
(IVF) draws parallels between the controversy over IVF in the 1970s and the current controversies over human cloning and stem-cell research. The judges cited Henig's, "Very absorbing and well-written account of progress in a scientific field that has...
Dopamine agonist can prevent ovarian hyperstimulation syndrome in IVF patients
...imulate the ovaries to produce the eggs needed for fertilization
in IVF treatment. The ovaries become larger than normal, and there can be a build-up of fluid in the abdomen. In severe cases there may also be hemoconcentration (decrease of the fluid content of the blood, with a resulting increase in its concent...
Tool helps doctors tailor infertility treatments for couples
... eggs can be used for an advanced form of in vitro fertilization
(IVF), intracytoplasmic sperm injection (ICSI), in...he younger a female is, the higher the chances for fertilization
and a successful pregnancy. On the other hand, if that particular female's partner has bad sperm par...
Procedure allows women to freeze eggs to preserve future fertility
... eggs preserved. Compared to conventional in vitro fertilization
with non-frozen eggs--eight to nine babies born per 100 eggs--these rates seem low, but are likely to increase as the technique, which is still considered experimental by the American Society for Reproductive Medicine, is refined. Success also depend...
Men who smoke heavily may impair sperm, fertility
...ndex. The Hemizona Assay has been shown to predict fertilization
failure during in vitro fertilization. "To fail, the index must be less than 65, meaning that the smoker's sperm had less than 65 percent of the fertilizing capacity found in the donor," Burkman said. "An index below 36 identifies a severe loss in ...
New microfluidic devices found to be effective method of in-vitro fertilization in mice
...- Technology that more closely mirrors the natural fertilization
process is showing promise as a new method of in-v... many situations, particularly when other types of fertilization
have failed in the past, or when the man has an extremely low sperm count or motility. Smith does no...
NMR method rapidly solves 8 target genomic structures
...ata analysis," said Szyperski, "an important cross fertilization
for efficient structure calculation. "Using our automated analysis methods, initial 3D protein structures could be generated soon after data collection and then refined by manual data-analysis methods," said Montelione. Proteins also we...
Stem cells grown in lab mirror normal developmental steps
...ng embryonic stem cell lines derived from in vitro fertilization
methods, and so doesn't require generation of embryos through cloning, a technique recently reported by South Korean scientists. In their report on the work in the June issue of the journal Blood, the Johns Hopkins team demonstrated a clear similari...
Human eggs can develop from ovarian surface cells in vitro
...s developed in vitro into mature eggs suitable for fertilization
and development into an embryo. These findings, p...offer important new strategies for use in in vitro fertilization
and stem cell research, and cast doubt on the established dogma on the fetal origin of eggs in adult...
Little evidence found for IVF as most effective infertility treatment
In vitro fertilization
can improve pregnancy rates among couples with unexplained infertility, but there is little evidence to show whether IVF results in more live births than other treatments, according to a new review of recent studies. Although expensive and invasive, ...