In Vitro fertilization is the proper medical name for what the press dubbed ‘test tube babies’ many years ago. Eggs are removed from the ovaries and fertilized with sperm in a laboratory dish before being placed in the woman’s 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.

Techniques of In Vitro Fertilization differ from clinic to clinic but a typical pattern of treatment might go like this: At the start of your treatment your doctor gives you drugs to block the hormones your pituitary gland usually produces during your monthly cycle. This allows them better control over when your eggs are produced. Once this has been done further drugs are given to multiply the number of eggs your ovaries produce.

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Estrogen levels produced by the eggs are monitored to ensure they rise, using vaginal ultrasound scans and blood tests. Once the time is right, another hormone will be injected to help the eggs mature. The eggs are collected between 34 and 38 hours after the injection is given so the timing for it is crucial. When it is time to collect the eggs, you may be given a general anesthetic or drugs to make you feel drowsy as they are collected by ultrasound guidance and it takes about 30 minutes.

It’s about this time that the man must produce some 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. Sperm which has been donated is kept in a freezer but the same method for preparation is used. Your eggs are then mixed with your partner’s sperm and left in a laboratory dish for 16-20 hours before they are checked to see if any have fertilized. Successfully fertilized embryos are then left for a further day to two days before the last inspection is carried out.

In order to help prepare your womb, pessaries, gel or an injection are given two days after your eggs have been collected.

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