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Tag: "egg" at medical news

Contraceptives decreases Libido

...nd the time of ovulation, when a woman releases an egg and can conceive a baby.// It has long been thought that this increase in sense of smell may be linked to libido, helping increase it at the point of the cycle in which fertilisation is possible. However, when the women took the contraceptive pill, ...

Miscarriage linked to late embryos

The later a fertilised egg implants in a woman's uterus, the more likely she is to have a miscarriage, new research has found.The report in the latest New England Journal of Medicine details the most precise information the timing of implantation - the true start of pregnancy ...

A need for new stem cell lines

...ll belonging to a patient and inserting it into an egg whose nucleus has been removed. When the cell divides, it produces stem cells that can be put in the patient without causing an immune response. But some lawmakers would like to see so-called therapeutic cloning -- which, unlike reproductive cloning...

Lecithin lowers cholesterol absorption in body

...gy, Koo and his associates found that a particular egg phospholipid interferes with the absorption of egg cholesterol and markedly lowers its uptake by the intestine. When the phospholipid is saturated, its...

Sniff out flatulence

...to flatulence. It was described as giving a rotten egg smell by the scientists while dimethyl, another gas isolated in tests, had a "sweet" bouquet. The researchers selected two judges who had proved their ability to distinguish between the array of different gases through a blindfold test. Their job wa...

Vaginosis increases risk of miscarriage

... to constrict, effectively starving the fertilised egg of vital nutrients....

The route to fertilization

...ts of nitric oxide gas, which is injected into the egg once the sperm and the egg make contact."The injection of nitric oxide gas from the sperm triggers the release of calcium insid...

Sex timing has no impact on risk of Birth defects

...too late after ovulation, the aging sperm or aging egg might suffer damage that could lead to birth defec...n that occurred more than a day after the sperm or egg was released from the body was associated with subsequent defects. The investigators examined more ...

Adequate intake of Vitamin D is essentia

...ilk and cereals fortified with the vitamin. Liver, egg yolk and fish are good sources too. A supplement of 400 international units (IU) of vitamin D may improve bone health for women in their 50s and 60s, while older women may need up to 800 IU a day. But talk to your physician or pharmacist before start...

Jumping genes eliminate sections of DNA

...he said. The jumping occurs primarily in sperm and egg cells and not in other cells of the body, he noted, which means any mutation effect they have is already present in our bodies at birth. The L1 elements use a process called reverse transcription to move about and insert themselves into DNA sequence...

Endometriosis connected to fertility

...iny hairs inside the fallopian tubes that push the egg toward the sperm. They found endometriosis greatly changes the activity of the tiny hairs. The movement through the fallopian tubes was slowed by about 15 percent in the women who had endometriosis. It slowed even more with the passing of time. The ...

Allergies: A major health problem

...s are extremely unlikely, eatables like chocolate, egg and fish may be harmful for those who are prone to food allergies. The skin and gastro-intestinal tract are the most common sites where symptoms manifest. Gastro-intestinal symptoms include nausea, abdominal pain and swelling of throat while on the s...

Discovering cholesterol-absorbing genes

...ow that if you eat a fatty meal or snack - a fried egg sandwich, say, //or a doughnut - the amount of cholesterol you absorb is strongly influenced by your genes. Experts know that high cholesterol is linked to heart disease, and that a high fat diet is bad for you. But little has been discovered about w...

Stem cells - New and richer source found

... the primitive stem cells that form soon after the egg is fertilized. Wharton’s jelly is the gelatinous connective tissue only found in the umbilical cord. The jelly gives the cord resiliency and pliability, and protects the blood vessels in the umbilical cord from compression. The researchers propagate...

Genetic mutation to the 'fountain of youth' discovered

...e. These mitochondria are found only in the human egg and not in the sperm and are passed from cell to cell only by cell division. This means that a person's mitochondia come only from their mother. And this makes them a valuable marker for human migration studies. Dr. Guiseppe Attardi, Caltech profess...

Gene linked to 'Missing Eye' condition in newborns

...elieved to have arisen spontaneously in either the egg or sperm involved. Dr David Fitzpatrick, from the Human Genetics Unit, said that the research indicated that SOX2 plays a critical role in eye development and other genes that directly interact with SOX2 may be mutated in children affected with simi...

Test tube babies, 25 years later

...ocked or absent fallopian tubes, through which the egg travels from the ovary to the uterus. "It's hard ...as the technology continues to grow, sperm donors, egg donors and surrogates have all become common. "You can't buy a baby in the United States," said Capl...

Stem cells grown into sperm cells

...em cells into many other types of cells, including egg cells,// but this is the first time a sperm cell has been developed, the scientists said. The work is very preliminary, and was done in the laboratory with mouse stem cells. The next step would be to see if it can be repeated in live animals. The...

Rat joins list of cloned animals

...technology that requires painstakingly removing an egg cell, taking out its nucleus, and replacing it with the nucleus from a skin or other kind of cell from the animal to be cloned. Genetic researchers described how they did it. They impregnated two rats with cloned embryos and produced three live pup...

IVF results may be affected by stress and other related factors

... samples were collected prior to treatment, before egg retrieval and before embryo transfer. The results were to show hormonal concentrations of the participants. Self-interrogatory questionnaire were also given to these ladies before the start of the treatment in order to find out about whether they are...

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