Sarah Norcross
Progress Educational Trust
06 August 2009
[BioNews, London]
The Human Fertilisation and Embryology Authority (HFEA) published new figures showing the number of new egg and sperm donors registered in 2008. The figures published on 31 July 2009 show that the number of both sperm and egg donors has increased.
HFEA publishes new sperm and egg donor figures
Treating through IVF
For centuries people have tried to overcome infertility by whatever means they had available. For many years people had little understanding of how human reproduction worked - for example, a long held belief was that the man supplied the entire new baby in his sperm, and the woman simply acted as a kind of ’super-seedbed’ [...]
ICSI - Intracytoplasmic Sperm Injection
Intracytoplasmic sperm injection (ICSI) is an in vitro fertilization procedure in which a single sperm is injected directly into an egg; this procedure is most commonly used to overcome male infertility problems. The cumulus cells that surround the egg are removed using an enzyme called hyaluronidase, this historically comes from bovine testis but new technology [...]
What is infertility?
Monday, 27 September 2004
For lots of people, having babies is very easy - in fact many people spend years trying to avoid pregnancy, using different methods of contraception to make sure that sperm and eggs don’t meet by accident. But what happens if pregnancy and babies don’t happen when we want them to?
Infertility has always [...]
Fertilization Rate is a Strong Predictor of Successful Implantation in Assisted Reproduction
July 23, 2009
Embryo implantation is predicted using various parameters such as follicle size, oocyte quality, endometrial thickness, and the estrogen levels on the day of hCG administration. Due to the multifactorial influence on successful implantation, a single independent predictor remains elusive. Now, a recent retrospective cohort study published online in Fertility and Sterility reports that [...]
Fertility Preservation Option May be Extended to Premenarchal Girls
August 31, 2009
Owing to recent therapeutic advancements in the field of oncology, there has been a significant increase in the number of childhood cancer survivors. As per the estimates of the National Childhood Cancer Foundation (NCCF), one in every 250 adults in the US will be living with a history of childhood cancer by 2010. [...]