Fertilization News and Research

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Cigarette smoke stops transport of freshly ovulated hamster eggs

Eggs of female hamsters are significantly less likely to be transported by the oviduct when the eggs or the oviduct have been exposed to cigarette smoke, and this could result in disruption of fertilization and pregnancy, according to reproductive scientists at the University of California, Riverside.

17 Jul 2005

Sexual abstinence unrealistic - pediatricians say teens need birth control and emergency contraception pill

In complete contrast to the abstinence-only approach to sex education favored by religious groups and President Bush, an eminent group of pediatricians is saying that what todays' teenagers need is better access to birth control and emergency contraception.

6 Jul 2005

Uncomplicated twin pregnancies might be more risky than previously thought

As mothers get older and assisted conception becomes more common, the incidence of multiple births - primarily of nonidentical siblings, but also of identical ones - has dramatically increased.

28 Jun 2005

Infertility may be becoming more of a man's problem than a woman's problem

Until now, approximately 40% of infertility cases have been linked to medical problems in men and 40% to medical problems in women, with the remaining 20% due to joint problems.

27 Jun 2005

High-tech infertility treatment for men most common therapy to help couples conceive

According to recently released figures, a high tech treatment for male infertility has become the most common therapy in Europe to help couples conceive.

23 Jun 2005

Chemicals found in everyday products and food have subtle but potentially damaging effects on sperm fertility

Professor Lynn Fraser told the 21st annual conference of the European Society of Human Reproduction and Embryology today (Wednesday), that her previous research had shown that certain chemicals known to mimic the female sex hormone, oestrogen, could individually affect the correct functioning of mouse sperm, but now her new research showed that when the chemicals were combined they had an even stronger effect.

21 Jun 2005

Effect of new Italian law on the choices available to infertile parents

Three presentations to the '21st annual conference of the European Society of Human Reproduction and Embryology highlighted the effect of the new Italian law on the choices available to infertile parents.

21 Jun 2005

Eggs from embryonic stem cells could benefit sterile women

Monash University researchers have developed a process that causes embryonic stem (ES) cells to develop into ovarian structures containing eggs.

21 Jun 2005

Australian researchers develop process that causes embryonic stem cells to develop into ovarian structures containing eggs

The researchers believe the process could in future be used to develop eggs for sterile women that contain the women's own genetic material.

20 Jun 2005

Damage to DNA in sperm is significantly higher in older men

Damage to DNA in sperm is significantly higher in older men than in those who are younger, according to research presented today (Tuesday 21 June 2005) at the 21st annual conference of the European Society of Human Reproduction and Embryology.

20 Jun 2005

Stem cells grown in lab mirror normal developmental steps

Johns Hopkins scientists have developed a way to study the earliest steps of human blood development using human embryonic stem cells grown in a lab dish instead of the embryos themselves.

20 Jun 2005

British team grow sperm and eggs from stem cells

British scientists have made a major breakthrough with the discovery that both sperm and eggs can be grown from stem cells.

20 Jun 2005

Scientists prove that human embryonic stem cells can develop in the laboratory into the early forms of cells that eventually become eggs or sperm

Their work opens up the possibility that eggs and sperm could be grown from stem cells and used for assisted reproduction, therapeutic cloning and the creation of more stem cells for further research and for the improved treatments for patients suffering from a range of diseases.

19 Jun 2005

Baby born to woman following an ovary transplant from her sister

Doctors in St. Louis say a woman whose ovaries stopped working when she was a teenager, after an ovary transplant from her identical twin sister, has given birth to a baby girl.

8 Jun 2005

Baby boy is first successful birth in Canada from frozen eggs

McGill University Health Center (MUHC) in Montreal yesterday announced the first successful birth in Canada resulting from frozen eggs. A healthy baby boy, weighing 3740 grams was born on April 29 to a 26-year-old mother who had suffered from infertility for two years.

31 May 2005

A new technique might allow women diagnosed with cancer the opportunity to have children when chemotherapy and radiation treatments rob them of their fertility

Freezing eggs is 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.

29 May 2005