June 5, 2008
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In Vitro Fertilization (IVF) which means ?fertilization in a glass? is often more commonly referred to as a test tube baby. The woman?s eggs are taken from her ovaries and then in a laboratory dish, fertilized with sperm before being inserted into her womb. Women who use In Vitro Fertilization are often recommended this method when others have failed or because they are older.
Techniques of In Vitro Fertilization differ from clinic to clinic but a typical pattern of treatment might go like this: At first your physician will halt the release of hormones that are produced during your monthly cycle by giving you some drugs. The reason for this is to assist control over when the eggs are ready. To ensure you ovaries produce more than a single egg, further drugs are given.
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Blood Tests and vaginal ultrasound scans are used to monitor the estrogen level produced by the eggs. To help the eggs mature a different hormone will be injected once all the tests say the time is right. This injection is given 34 to 38 hours before the eggs will be collected to the timing of this is very important. To collect the eggs, ultrasound guidance is used and as it takes about half an hour, either drugs or a general anesthetic is given which may make you feel drowsy.
It?s about this time that the man must produce some fresh sperm. The health of the sperm is important so after a short storage period they are spun at high speed after being washed so only the healthiest and most active are used. For a woman using donated sperm, the same process is used once the sperm has been taken from the freezer. The process then continues with the eggs and sperm left for 16 to 20 hours in a laboratory dish to mix and after that period, checked to see if they have fertilized. Only those embryos that have fertilized successfully are kept and left for a further day to two days before a final inspection.
Two days after your eggs have been collected; you are given an injection, gel or pessaries to help prepare the lining of your womb.
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