Within 20 minutes of your last cigarette both you and your baby’s blood pressure and pulse rate return to normal.
Within 48 hours of quitting smoking both you and your baby will have no carbon monoxide in your system, which means baby will be getting all the oxygen they need to grow and develop
26 days after conception your baby’s heart starts to beat, your blood will be flowing around you baby’s body by its own heart – when you smoke you ingest around 4,500 different chemicals that travel through the blood stream. If you’re still smoking your baby will be getting these too
At 3 months your baby measures the same size as your index finger. If your Carbon Monoxide (CO) reading is 20ppm your COHb is 2% - This means that your baby’s COHb is 5.94% meaning that there isn’t enough oxygen for baby to develop.
If you quit smoking before 16 weeks your chances of having an under developed baby is reduced – In the last stages of pregnancy your baby really starts to grow.
During this time the baby is trying to put on weight. If you smoke during the third trimester your baby is much more likely to be born under developed with a low birth weight.
Mothers who smoke throughout their pregnancy tend to give birth to grizzly babies. When you have smoked throughout your pregnancy your baby will be born addicted to nicotine and have to withdraw from this in exactly the same way that smokers do during the first few days and weeks of their lives.
Babies who live in smoking environments are much more likely to die from SIDS (Cot Death)