Your baby at 33 weeks
By 33 weeks of pregnancy, the baby's brain and nervous system are fully developed.
You at 33 weeks
Too much caffeine in pregnancy increases the risk of miscarriage or your baby being born with a low birthweight.
If you're pregnant, do not have more than 200 milligrams (200mg) of caffeine a day – that's about the same as 2 mugs of tea, plus 1 can of cola.
Heartburn or acid reflux in pregnancy is common, caused by hormonal changes and the growing baby pressing against your stomach.
Changes to your diet and lifestyle may be enough to control your symptoms. If not, your midwife or GP can recommend treatment.
Find out how you can ease indigestion and heartburn in pregnancy.
Your placenta grows in your womb during pregnancy. It brings oxygen and nutrients to your growing baby and takes waste products out of your baby's blood.
Things to think about
What happens if your baby is breech – some babies may be born bottom first or feet first (breech).
Learn about pain relief in labour, including things you can do yourself.
You may get help to buy food and milk with the Healthy Start scheme if you're pregnant or have a child under 4 years old and receive certain benefits, or you're under 18.
The Start4Life site has more about you and your baby at 33 weeks pregnant.
You can sign up for Start4Life's weekly emails for expert advice, videos and tips on pregnancy, birth and beyond.
Video: How do I change a dirty nappy?
In this video, a midwife explains the best way to change a newborn's dirty nappy.
Media review due: 4 October 2025