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Mother and Baby

18 weeks pregnant – what to expect

18 weeks pregnant

Your baby is now big enough that in the next few weeks, you’ll feel him twisting, rolling, kicking and punching. Here’s what your baby and your body is doing at 18 weeks pregnant, and everything else you can expect this week.

How big is my baby at 18 weeks?

Your baby is about five and a half inches long this week and weighs somewhere between five to six and a half ounces.

What’s my baby doing at 18 weeks?

This week she will learn how to yawn and hiccup – something you might start feeling soon! Your baby’s nervous system is also maturing rapidly and her nerves are now forming complex connections. Your baby’s hearing is now getting more acute, which means now is a good time to start talking and signing to your growing bump!

What is my body doing at 18 weeks?

By now your uterus has moved up into position and has grown to about the size of a cantaloupe melon. In fact, you’ll probably be able to feel it about one and half inches below your belly button. Yet this movement is also putting pressure on your lower back, which means backache is a common side effect from now on.

Last week we spoke about the pregnancy hormone relaxin, which is continuing to work round your body this week, relaxing all your ligaments and loosening your joints. Reduce those aches and pains by sitting down with your feet up, or taking a long warm bath.

Common symptoms to look out for:

  • Your baby moving! A very exciting feeling, if you’ve experienced weird rumblings in your tummy the past few days, it’s not something you’ve eaten, but your baby moving around the womb. Don’t worry if you haven’t felt anything yet, it might take a few weeks for you to start feeling those first kicks.
  • Leg cramps: If you’re finding yourself being woken up at night with shooting pains in your claves, rest assured this is also normal. Experts aren’t sure what causes this, but recommend trying calf stretches before bed to alleviate the symptoms.
  • Bleeding gums: Around half of mums-to-be will experience bleeding gums during pregnancy thanks to those pesky hormones. It’s nothing to worry about, but it’s really important to look after your teeth and gums during pregnancy. Find out all you need to know about bleeding gums in our handy guide here. 
  • Heartburn: Another common symptom during pregnancy, as those hormones loosen the muscle connecting your stomach to your windpipe, acid can regurgitate up, causing a burning sensation in your chest. Unfortunately, this is one that is only going to get worse as your bump gets bigger. Check out these five ways to try and beat pregnancy indigestion. 
  • Edema: A fancy word to describe the swelling in your feet and ankles that often happens during pregnancy. If your feet and legs look like you’ve just got off a long-haul flight, do not panic, this is simply a sign your body tissues are accumulating fluid to support your baby. You can reduce the water tension in your feet and lower legs by avoiding standing or sitting for too long, and keeping your feet up whenever you can.

Your week 18 FAQ’s answered:

Can I expect to feel movement at 18 weeks?

Feeling your baby move is one of the most special parts of pregnancy, yet it can raise a lot of questions – is my baby moving too much or not enough? There’s a wide range in what is normal, and movement varies from baby to baby. Most women will feel the first movements, known as quickening, between 14 and 26 weeks.

What if I can’t feel movement at 18 weeks?

Do not panic, every baby is different and if you don’t feel any movement this week, it is not a sign that anything is wrong. The position of the placenta can also affect how much movement you feel at this stage – if it’s facing the front (medically referred to as an anterior placenta) these early movements can be muffled and you might have to wait a few more weeks. 

Take me back to week 17

Take me to week 19

 
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