News: First baby from frozen egg in China
China's first IVF baby to be conceived using a frozen human egg was born at the end of April this year. Newspapers in the country have heralded the birth as the 'arrival of a technology that was introduced abroad only three years ago'.
Dr. Kirsty Horsey 17 May 2004
|
|
News: Dads deliver more than DNA
Sperm contribute paternal DNA when they fertilise an egg - but they also deliver some messenger RNA (mRNA), US researchers say. The unexpected finding means that sperm could play a greater role in early development than previously thought, say the scientists, who reported their results in the journal Nature.
Dr. Kirsty Horsey 17 May 2004
|
|
News: Frozen sperm as good as fresh
A review of IVF procedures undertaken in the last ten years at the Mayo Clinic in Minnesota, US, has shown that it makes no difference to success rates whether frozen or fresh sperm is used.
Dr. Kirsty Horsey 17 May 2004
|
|
News: Questions over egg donors for cloned embryos
The South Korean scientists who successfully extracted stem cells from cloned human embryos are now facing questions over the origin of the 247 donated eggs used in their experiments.
Dr. Kirsty Horsey 10 May 2004
|
|
News: US 'saviour siblings' spark debate
US doctors report that they have helped five couples to have IVF babies which are able to provide tissue-matched cord blood for ill siblings.
Dr. Kirsty Horsey 05 May 2004
|
|
News: Male fertility also damaged by chlamydia infection
Chlamydia infection in men is linked to infertility, say Swedish researchers in the May issue of the journal Human Reproduction, who have found that infection in men appears to lessen the chance of their partners becoming pregnant.
Dr. Kirsty Horsey 30 April 2004
|
|
News: Don't worry, be happy
A study by researchers at the University of California, San Diego (UCSD), has shown that anxiety and stress can lessen the chances of fertility treatments being successful.
Dr. Kirsty Horsey 29 April 2004
|
|
News: Ovary transplant between twins
A US woman has had part of an ovary surgically transplanted into her body, after it was donated by her identical twin sister.
Dr. Kirsty Horsey 26 April 2004
|
|
Article: Do parthenogenetic mice spell the end of men?
Does the birth of the world's first 'parthenogenetic' mouse, created using eggs from two female mice, really mean that men will soon be redundant?
Dr Jess Buxton 26 April 2004
|
|
News: Fatherless mice born
A mouse 'conceived' from the egg cells of two female parents, with no input from a male sperm cell, has grown into a normal, healthy adult.
Dr. Kirsty Horsey 23 April 2004
|
|
News: Voluntary donor register launched in UK
A voluntary register that enables people conceived using donated eggs, sperm or embryos to contact their donors and biological half-siblings has been launched in the UK.
Dr. Kirsty Horsey 23 April 2004
|
|
News: IVF improvements in United States
Researchers from Brigham and Women?s Hospital have shown that while the number of transferred embryos has declined, IVF results are actually improving in the United States.
[ Visit Website ]
News-Medical.net 18 April 2004
|
|
News: First IVF embryo research licenses issued in Australia
Australia?s first licences allowing research using excess human embryos were issued today by the Embryo Research Licensing Committee of the National Health and Medical Research Council, (The NHMRC Licensing Committee). The excess embryos can only be used in research under strict licence conditions if they are no longer required for in vitro fertilisation (IVF) procedures and couples have given their informed consent.
[ Visit Website ]
News-Medical.net 18 April 2004
|
|
News: HFEA comes under pressure on 'saviour siblings'
This week BioNews reports on another 'saviour sibling' case, which has come to light in the United Kingdom. Joe and Julie Fletcher are hoping to have preimplantation genetic diagnosis (PGD) with tissue typing in order to conceive a child who will be a matched tissue donor for their son, Joshua, who suffers from Diamond Blackfan anaemia (DBA).
Juliet Tizzard 18 April 2004
|
|
News: Fertility specialists find multiple birth rate declining
Since 1997 in the United States, there have been consistent decreases in both the number of embryos transferred per cycle and the percentage of pregnancies with three or more fetuses, as well as a consistent increase in the percentage of live births per cycle.
[ Visit Website ]
News-Medical.net 14 April 2004
|
|
News: Another legal fight over UK saviour sibling?
A UK fertility doctor says he is prepared to launch a legal challenge on behalf of a couple who want to conceive a 'saviour sibling' for their ill son.
Dr. Kirsty Horsey 13 April 2004
|
|
News: Man continues paternity challenge for IVF child
A British man has been given leave to appeal to the House of Lords against a ruling made last year, which denied him paternity of a child born to his former partner after IVF treatment.
Dr. Kirsty Horsey 07 April 2004
|
|
News: New Zealand reviews legal parenthood after ART
The issue of parenthood following fertility treatments has also been raised in New Zealand recently, where the Law Commission has published a discussion paper on the subject.
Dr. Kirsty Horsey 07 April 2004
|
|
News: US bioethics Council releases ART recommendations
President Bush's Council on Bioethics has released wide-ranging recommendations calling for greater regulation of assisted reproductive technology (ART).
Dr. Kirsty Horsey 02 April 2004
|
|
News: Viagra's side-effects may damage fertility
Viagra, the 'wonder-drug' promoted for its ability to relieve impotence in men, may have some unwanted side-effects.
Dr. Kirsty Horsey 01 April 2004
|
|
News: Vasectomies may be less reversible than thought
Men considering having a vasectomy, believing the procedure might later be reversible, may want to think even more carefully about their decision.
Dr. Kirsty Horsey 30 September 2004
|
|
News: Children should be told if donor gametes used
The ethics committee of the American Society for Reproductive Medicine (ASRM) says that parents who use fertility treatment with donor sperm or eggs should be 'encouraged' to tell their children how they were created.
Dr. Kirsty Horsey 25 May 2004
|
|
News: Vatican slams fertility treatments
The Vatican has launched a new attack on IVF and other fertility treatments that may involve embryos being destroyed, describing them as 'a massacre of the innocents', and adding that 'no war or catastrophe has ever caused so many victims'.
Dr. Kirsty Horsey 22 May 2004
|
|
News: 'Saviour siblings' debate down under
This week's BioNews reports on news that a 'saviour sibling' is to be born in Australia. A couple from Tasmania sought preimplantation genetic diagnosis (PGD) with tissue typing in order to have a second child who would be free from a particular genetic condition, Hyper IgM syndrome.
Juliet Tizzard 22 May 2004
|
|
News: Women produce new eggs, study suggests
Mammals may continue to produce new eggs throughout their lives, a study carried out on mice suggests. The findings challenge the long-held belief that female humans, mice and other mammals are born with a finite supply of eggs, which lasts until the menopause.
Dr. Kirsty Horsey 15 May 2004
|
|
|