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In the UK alone, more than twelve thousand babies are delivered annually following IVF treatment.

Whilst the majority of these are perfectly healthy babies, scientists in America have discovered that fertilization procedures could increase the likelihood of genetic defects by a third.

The study, carried out by the Centers for Disease Control and Prevention noticed that conditions such as a cleft palate and heart valve defects were more common in IVF babies.

Responding to this research the HFEA, the Human Fertilization and Embryology Authority, will update its website, which explains all the potential risks involved with the treatment.

A spokesman for the authority added, that they review the guidance they offer to couples considering IVF procedure on a regular basis. Their code of practice covers alerting people to the dangers but they are also making it clear that much more study is required in this area.

The common instances of multiple babies, in an IVF pregnancy could also be significant as this means babies are born with much lower birth weights. This is another factor that scientists will explore as it continues with this important research.

The HFEA have an extensive website for childless couples, deciding whether or not to embark on the lengthy and costly process of conceiving a baby via IVF. Information is updated on an ongoing basis.

It is recommended that if potential parents are worried or confused about the new findings or any other information they have heard about, then consulting their own GP is advisable.