Drinking a lot of caffeine in pregnancy has been linked to miscarriage and low birth weight so the current advice is to limit your caffeine intake to no more than 200mg a day during your pregnancy.
Some people think that the stress of quitting smoking is worse for the baby than continuing to smoke, but this is not true. Stopping smoking is the best thing you can do to help your baby grow and develop well in the womb.
It's also a very expensive habit. Use our smoking calculator to see what you can buy when you quit.
NICE (2010), Dietary interventions and physical activity interventions for weight management before, during and after pregnancy, Public health guidance 27, 2010
Although you will be putting on weight in pregnancy as your baby grows, limiting the amount of extra weight gain in pregnancy will improve your health and your baby's, both now and in the future.
Smoking in pregnancy is harmful to your baby. Quitting is one of the best things you can do to protect your baby’s health through pregnancy and beyond.