Smoking during pregnancy

Pregnant or trying to conceive? Here’s what all mums-to-be should know about smoking

Attitudes towards smoking have changed over the years as we learn more and more about the potential harmful effects. For example, it used to be thought that only smoking while pregnant could harm your child but passive smoking can be damaging too and even smoking before conception can be harmful. It can take smokers longer to conceive but it's not just a woman's smoking that can be the cause. Men who smoke should really think about quitting too, as smoking can affect the quality and mobility of their sperm. 

What actually happens if you smoke during pregnancy

When you smoke you inhale lots of dangerous chemicals. This affects your circulation and oxygen in your blood is replaced by harmful carbon monoxide. This means if you were smoking while pregnant, your baby would receive less oxygen and nutrients and more chemicals in the womb and their heart would have to work harder to try and get what oxygen it can.

How smoking during pregnancy affects you

On average, women who smoke are more likely than non-smokers to:

• Suffer more morning sickness
• Have an ectopic pregnancy
• Have an increased risk of miscarriage
• Go into premature labour 

How smoking while pregnant affects your baby

Babies of pregnant women who continue smoking are more likely to:

• Have developmental problems
• Have a lower birth weight
• Have problems keeping warm when newborn
• Have a higher risk of cot death
• Have a higher risk of illnesses such as asthma