Asthma medication linked to infertility

The study of different women in Australia, New Zealand, the United Kingdom and Ireland shows that women with asthma who use long-acting asthma treatment could not conceive as quickly as other women. The study was led by Dr Luke Grzeskowiak from the University of Adelaide's Robinson Research Institute.

Dr Grzeskowiak says the results provide reassurance for asthmatic women that using inhaled corticosteroids to prevent symptoms does not appear to reduce fertility. Five to ten per cent of all women around the world have asthma and it is one of the most common chronic medical conditions in women of reproductive age.

Several studies have identified a link between asthma and female infertility, but the impact of asthma treatments on fertility has been unclear. Studying the effect of asthma treatments in women who are pregnant or trying to get pregnant is important as women often express concerns about exposing their unborn babies to potentially harmful effects of medications.

The researchers examined data from the international Screening for Pregnancy Endpoints (SCOPE) study, which recruited more than 5600 women expecting their first babies in the early stages of pregnancy. Ten per cent of women in the study said they had asthma and, overall, these women took longer to get pregnant.

When researchers separated this group according to the types of asthma treatments they were using, they found no difference in fertility between women using long-acting asthma treatments and women without asthma. Women using short-acting reliever medication (known as beta-agonists) took 20% longer to conceive on average. They were also 30% more likely to have taken more than a year to conceive, which the researchers defined as the threshold for infertility.

This difference remained even after researchers took other factors known to influence fertility, such as age and weight. This study shows that women using short-acting asthma relievers take longer to get pregnant. On the other hand, continued use of long-acting asthma preventers to control asthma seems to protect fertility and reduce the time it takes women with asthma to become pregnant. This could lead to a reduction in the need for fertility treatments.

Maternal asthma has a negative impact on the health of pregnant women and their babies, women should take steps to get their asthma under control before trying to conceive. Inhaled corticosteroids suppress the immune system, whereas short-acting asthma treatments do not alter immune function. In women who are only using relievers it's possible that, while their asthma symptoms may improve, inflammation may still be present in the lungs and other organs in the body.
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Infertility increases the risk of untimely death

According to a new study, infertility increases a woman's chance of untimely death compared to women who have had children. Having fertility problems also raised the chance of getting breast cancer and diabetes.

Having children protects women from untimely death, research shows that giving birth has a rejuvenating effect on a woman's body, being infertile may be a sign of underlying health problems, which may worsen overall health.

Women were classed as infertile, if they had reported being unable to conceive for one year. Female infertility patients had a higher risk of death from hormone related disorders such as breast cancer and diabetes.

Infertility was not linked to higher rates of ovarian cancer, or cancers of the womb. And even though the incidence of diabetes was similar in fertile and infertile women, infertile women experienced an increased risk of death from endocrine related diseases.

Having a baby is protective for health. Looking at the studies of women who have never given birth to children, they are at an increased risk of cardiovascular disease and several malignancies. Sharing blood with a growing fetus rejuvenates the mother's blood.
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