Studies suggest that mothers who catch a cold during pregnancy could be more likely to have children who develop asthma, as the bacteria and viruses affect the in-utero environment. Babies who are exposed to the allergens are more likely to become sensitive to them and this could affect them later in life, according to researchers. The new study, which examined the risk of the common cold to unborn children, shows that women who are pregnant should take extra precautions around people who have colds and are sneezing, as it could lead to problems for their children later in life. The mothers infections and bacterial exposure during the pregnancy leads to the environment in the womb being altered. Allergist Dr Mitch Grayson stated that in addition to this, the same children in the study who had early exposure to allergens, including house dust and pet hair, also had increased odds of becoming sensitive by the age of five. When dust mites from the mother and the child’s mattresses were analysed, children with high dust mite exposure yet low bacteria exposure were more likely to develop allergies to dust mites than those with low dust mite exposure and high bacteria exposure.
Researchers looked at 513 pregnant women in Germany, and their 526 children. The women completed questionnaires during the pregnancy, when the children were 3 and 12 months old, and then every year up until the children reached five years old. Of the families, 61 per cent of them had a parent with asthma, hay fever or atopic dermatitis. According to the ACAAI, asthma and allergies can be hereditary; if both parents have allergies, the child is as much as 75 per cent more likely to be allergic. If just one parent is allergic, or if a close relative has allergies, then the child has a 30 to 40 per cent chance of developing some form of allergy. This drops to just 10 to 15 per cent if neither parent has an allergy. Researchers claim that they now know for certain that allergies and asthma can develop in the womb, as genetics play an important factor in both diseases. However, this study sheds light on how the environment a mother creates during pregnancy can begin to affect the child before it’s even been born. Asthma is the most common potentially serious medical condition to complicate pregnancy, according to the ACAAI.
Asthma affects around 1 in 12 women during their childbearing years, and when women with asthma become pregnant, one third of the patients improve, one third get worse, and one third remain unchanged. Asthma is a serious condition which affects a number of people and has numerous triggers, including house mites, dust, pollen and pollution. As pollution and toxins in the air have increased over the years, the risk of developing respiratory diseases has also increased. There are ways to treat asthma and, depending on the severity of the condition, your child may require medication to maintain it. If you’re concerned about the risk colds and asthma have to your baby, or think your child is developing symptoms of asthma, you should seek advice from your GP as soon as possible. As with any pregnancy, it’s important to stay as healthy as possible, maintain a balanced diet which includes all the nutrients both you and your baby need, and get enough exercise; you should also avoid alcohol and smoking, to maintain good health for both you and your baby.
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