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33 weeks pregnant – pregnancy week by week

Pregnancy Week by Week Calendar - 33 weeksNow that you’re 33 weeks pregnant, it all might be starting to be a bit of a pain … a pain in your back! Make sure you maintain good posture and rest up!

33 weeks pregnant – development guide

Your body

Common during late pregnancy, sciatica plagues a high proportion of pregnant women. Caused by the baby’s position or a pinched nerve, changing the position you sleep in and using supportive pregnancy pillows, resting more, and even a visit to a pregnancy physiotherapists are all ways for you to combat the pain. Ensure your footwear is sensible and that good posture is maintained. If you’re attending pregnancy exercise classes, remember to mention your sciatica to your trainer before you start class.

Pregnant woman with visible uterus and fetus week 33Your fundus (the top of your uterus) is now sitting just below your rib cage. And, if you haven’t already, it is a good time to start preparing the perineum for childbirth.

Your baby

Sized at approximately 40cm (head to rump) your baby now weighs approximately 2.2kg.

Weekly development of a human fetus - week 33Your baby’s lungs have developed sufficiently enough to support life outside the womb, although the lungs, along with all the other well-developed organs and digestive tract, will benefit greatly from remaining in the womb to mature until full term. Your baby can feel – and will respond usually by changing its position – when you stroke your belly.

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3 things to do now you’re 33 weeks pregnant

Know the signs of premature labour

Even if your pregnancy is low-risk you should familiarise yourself with the signs of premature labour. Going into labour before you’re 37 weeks is considered premature and if you think you are then you should always get in touch with your health care provider.

Read our article on Bringing Home Twins

If you’re preparing for a multiple birth then you might find this article on Bringing Home Twins useful as it is full of practical advice and tips from parents who have been there, done that.

Chat about your pregnancy on our forum

Want to have a chat (or a much-needed vent) about how you’re feeling at the moment? Or maybe you just have some questions you’d like to ask. Head to our general pregnancy issues section on our forum.

This content is meant as a guide only. If you find anything worrying or unsettling, or experience any bleeding or spotting, contact your local GP, obstetrician or an emergency healthcare provider immediately.

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