12 Weeks Pregnant – Belly, Symptoms and Ultrasounds

12 Weeks Pregnant - Belly, Symptoms and Ultrasounds

Yay, you’re 12 weeks pregnant! 

You’re now at the end of the first trimester.

Finally, you’re probably at a point (or not far from it) where the early pregnancy tiredness and morning sickness have stopped.

Bring on some more energy and that famed pregnancy glow!

Here’s everything you need to know about being 12 weeks pregnant.

12 Weeks Pregnant

You might rediscover your sex drive is returning now you’re entering your second trimester.

Just bear in mind your cervix is quite sensitive during pregnancy.

It’s not unusual to see some spotting or even light bleeding after sex.

This happens because pregnancy hormones make the cervix softer and more likely to bleed.

It can be worrying to experience bleeding during pregnancy.

If you do have any spotting or bleeding make sure you speak to your care provider.

Don’t let this put you off having sex during pregnancy if you feel like it.

Just remember to ask your partner to go gently and try positions which reduce pressure on your cervix.

12 Weeks Pregnant: Symptoms

While the extreme fatigue and nausea might shift, new symptoms take over.

Now you’re 12 weeks pregnant, your uterus has grown above your pelvis.

This has taken some pressure off your bladder.

You should notice you don’t need to go to the toilet quite so often, and this will last until baby is quite a lot bigger.

Your digestive system, however, is going to get squished in the coming months, so keep an eye out for signs of reflux or heartburn.

To reduce reflux during pregnancy, try to:

  • Eat small meals, more frequently
  • Avoid acidic foods like tomatoes and citrus fruits, greasy food, coffee, and spicy foods
  • Increase fluids – even things like smoothies – to ease symptoms
  • Eat at least 3 hours before lying down in bed; elevate your head and lie on your left side.

Dizziness can also be a problem when you’re 12 weeks pregnant.

Your expanding uterus can put pressure on your blood vessels, and this can cause you to feel dizzy.

Over the next few months your blood pressure will begin to drop; this can also quite frequently make you feel dizzy.

The best way to cope with dizziness when you’re pregnant is to lie down, preferably on your side.

Eat and drink regularly, to avoid low blood sugar, which can also lead to feeling faint.

You might also notice you have more frequent headaches.

If you do, read about the five most common causes, in Headaches During Pregnancy.

Try to figure out your headache triggers, and avoid them.

Any sudden changes to headaches – such as migraines or other symptoms with a headache – should be reported to your care provider.

12 Weeks Pregnant Ultrasound

Between 11 and 13 weeks pregnancy you might have decided to have an ultrasound scan.

This scan is to check on baby’s growth and development, so you might get to see your baby this week.

During the ultrasound, the sonographer will measure baby from crown to rump.

This helps to determine whether your baby is growing according to what’s expected at this gestation.

The ultrasound will also confirm your due date, plus or minus seven days.

About Your Estimated Due Date (EDD)…

Remember, your EDD is a guess.

It doesn’t predict the exact day your baby will be born.

In fact, did you know only 3-5% of babies are born on their due date?

This is important to remember, as you’re likely to get very tired of being asked, ‘Isn’t the baby here yet?’ when you’re very pregnant.

It’s worth thinking about adding two weeks to your due date when you tell family and friends.

Perhaps you could even give a due month rather than a due date.

That way, if you go over your due date (and chances are you will!) you won’t have to field all those messages.

There’s nothing worse than feeling like a watched pot when you’re 40+ weeks pregnant.

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12 Weeks Pregnant: Your Body

Pregnancy hormones tend to shift at the end of the first trimester.

Your baby bump is much more evident. The effects of pregnancy on other parts of your body – particularly your pelvis – are probably starting to hit you about now.

It’s never to late to start doing kegel exercises. These help strengthen the muscles that support your uterus, bladder and bowels.

You can read more in 7 Great Times To Do Your Pelvic Floor Exercises.

Being 12 weeks pregnant can be difficult for your self esteem. Some women might feel a bit down about their appearance.

At this stage, you’re not quite looking pregnant, but it’s likely your pants don’t fit the way they used to.

If you’re one of those women who feel self-conscious, please be kind to yourself! This, too, will pass.

If your finances allow, treat yourself to something special you really enjoy. You will feel so much better.

A pregnancy massage is perfect for releasing stress and tension.

12 Weeks Pregnant: Your Baby

When you’re 12 weeks pregnant, your baby’s sex organs are distinguishable, but still incomplete.

Your baby’s eyes are almost in the correct position in relation to the head, as are the ears.

The lungs are developing and you can see primitive breathing. Vocal cords are beginning to form.

The amniotic fluid that your baby swallows can now pass out through the bladder.

Your baby’s bones, which until now were soft, are starting to harden; this includes the ribs and spine.

Baby’s arms are in proportion with the rest of the body. Toes and fingers are formed.

You won’t feel any movement yet, but your baby is still kicking away.

At this stage, babies can now curl their toes, rotate their ankles and wrists, press their lips together and make facial expressions, like frowning and smiling.

The umbilical cord is quite thick and still short. But as your baby continues to grow, the cord will lengthen and become thinner.

At 12 weeks pregnant, your baby measures approximately 4-5.5cms long, weighs around 14 grams and is the size of a lime.

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Last Updated: February 1, 2019


Kelly Winder is the creator of BellyBelly.com.au, a writer, doula (trained in 2005), and a mother of three awesome children. She's passionate about informing and educating fellow thinking parents and parents-to-be, especially about all the things she wishes she knew before she had her firstborn. Kelly is also passionate about travel, tea, travel, and animal rights and welfare. And travel.

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