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IVF Doctors and Infertility Clinics in London, UK.

  IVF Bridge Fertility Sperm

Infertility has many different causes. They include, blocked or damaged Fallopian tubes, endometriosis, failure of ovulation, fibroids and hostile cervical mucus for women and failure of sperm production, low mobility abnormalities and antibodies for men. This following sections explain all the causes and how we investigate them.

Natural conception is dependent upon several factors and processes. Firstly, the woman needs to produce an egg from one of her ovaries which must be able to travel freely down into the Fallopian tube

In the past 25 years, the percentage of births to women aged 30 or over has doubled. This very evident trend of delaying childbirth until career or other lifestyle objectives have been achieved has consequences which many women are fully prepared to risk, although a proportion may be insufficiently aware of the steep decline in fertility which begins in the early 30s.

In addition to the age factor, the main causes of infertility are sperm dysfunction, ovulation disorder and fallopian tube damage. These conditions are covered in the following sections.

About 15% of couples will have more than one cause for their infertility. It is therefore important to make complete investigations from the outset rather than focusing treatment on the first cause identified. In about 25% of couples no definite cause will be found, even after complete investigation. These couples are said to have unexplained infertility but can, of course, still be treated.

www.thebridgecentre.co.uk

One St Thomas Street
London Bridge
London
SE1 9RY
United Kingdom
Tel: +44 (020) 7403 3363
Fax: +44 (020) 7403 8552




IVF Hammersmith

In vitro Fertilisation is where fertilisation takes place in the laboratory and is the treatment used when the egg and sperm cannot come together in the normal way. For this treatment the ovaries are stimulated to produce several eggs which are recovered using ultrasound guidance.

Once the eggs have been collected they are mixed with sperm in dishes and cultured overnight before being examined to see if normal fertilisation has taken place. The day after their collection, all the eggs are examined and all normally fertilised eggs cultured for at least another 24hours before embryo transfer. The most suitable embryos are selected by the embryologists for transfer. No more than two embryos are transferred unless there are exceptional medical circumstances inorder to reduce the risk of multiple pregnancy.

The team at the Hammersmith is proud of the fact that our triplet birth rates here are amongst the lowest in the world – this is because of a strict policy to avoid the need for large numbers of embryos to be transferred simultaneously.

We try to perform all our fertility surgery whether removal of fibroids, ovariancystectomy or adhesion division, using microsurgical techniques. Microsurgery allows thebest healing with the least scar tissue.

All four surgeons at the Hammersmith Hospital are exclusively reproductive surgeons dealing with all types of microsurgery, laparoscopic and hysteroscopic surgery. The large throughput of complex cases allows this extensive experience to be maintained. As a result of this we train nearly all the sub-specialist trainees in Reproductive Medicine throughout Southern England.

www.ivfhammersmith.com

Charter House
43 St Leonards Road
Bexhill on Sea
East Sussex TN40 1JA





CRM London

(IVF) was developed by Professor Steptoe and Edwards resulting in the birth of the worlds first in vitro fertilisation baby in 1978. Robert Forman, CRM London Medical Director is one of the most experienced in vitro fertilisation doctors in the country having commenced working in in vitro fertilisation with Steptoe and Edwards back in 1982 and since then he has been responsible for the births of thousands of in vitro fertilisation babies.

In vitro fertilisation is a three stage procedure involving an initial phase of injections to stimulate the growth of multiple eggs (typically 12 to 14 eggs are obtained in each cycle). The eggs are then collected through the vagina using ultrasound. This procedure is best performed under a light anaesthetic. The male partner usually would produce his sperm on the same day although depending on the individual circumstances sperm can be kept frozen at the clinic. In vitro fertilisation each egg is then placed in a droplet of culture fluid containing all the nutrients required for embryo development and approximately 50,000 sperm are added to each egg. The sperm and eggs are then cultured overnight in one of our incubators. CRM London has many incubators available (a ratio of approximately 1 incubator for every 50 in vitro fertilisation cycles which is very rare as most clinics would have 1 incubator for every 100 to 400 cycles) The advantage of such a high ratio of incubators to cycles is that the incubator door does not need to be opened frequently preserving ideal growth conditions for the eggs and embryos.

The day following egg collection our scientists check the eggs for signs of fertilisation. We have a performance target that 65% of eggs fertilise following in vitro fertilisation. The fertilised eggs are allowed to develop for a further 48 hours until they reach the day 3 stage when we anticipate that the best embryos will have between 6 and 8 cells. Usually embryos will be transferred into your uterus at this day 3 stage but if you have many embryos with on this day we may suggest that you undergo a blastocyst transfer This involves developing the embryos for a further 2 days in the laboratory until they become blastocysts on day 5.

www.ivfcliniclondon.com

Park Lorne
111 Park Road
London NW8 7JL
Tel : 44 (0) 20 7616 6767
Fax : 44 (0) 20 7616 6789

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