Our first child had severe asthma. What are the chances of our second child developing asthma?
If your first child has asthma, but neither you or your partner has, and there is not a strong history of asthma in your family, the chance of your second child having asthma is not much greater than the risk in the general population that is, roughly one in seven. Even if that child does develop asthma, it does not follow that it will be severe. Studies have also shown that the more older siblings you have, the less likely you are to develop asthma and other allergies. It is thought that this is because children with older siblings are exposed to more severe infections at an early age, which might protect them against the development of allergic disease.
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