In Vitro fertilization is the proper medical name for what the press dubbed ‘test tube babies’ many years ago. The woman’s eggs are taken from her ovaries and then in a laboratory dish, fertilized with sperm before being inserted into her womb. In Vitro Fertilization is recommended if you are an older woman, have been diagnosed with unexplained infertility, those whose tubes are blocked, or if other techniques have been unsuccessful.

The In Vitro Fertilization process should go something like the method set out below but may differ slightly between clinics. 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 so the physician has improved control over when your eggs are produced. After this your ovaries are stimulated by drugs to create more than one egg.

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It’s important that levels of estrogen produced by the eggs are monitored so a combination of blood tests and vaginal ultrasound scans are used. As soon as the tests show that the time is right, you will have another injection of a different hormone to help your eggs mature. 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 is not until this time that the man gets involved and needs to produce a sample of fresh sperm. Once this has been done the sperm are stored for a short period before they are washed and then spun at high speed to ensure only the healthiest ad most active sperm 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.

The womb needs to be ready to accept the fertilized egg so a gel, injection or pessaries are given to ensure the lining of the womb is prepared.

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