13 Weeks Pregnant – What To Expect In Week 13

13 Weeks Pregnant - What To Expect In Week 13

When you’re 13 weeks pregnant, you are entering the more enjoyable second trimester.

Congratulations!

You’ve made it through one third of your pregnancy.

13 Weeks Pregnant – What To Expect In Week 13

The next three months are the ‘pregnancy honeymoon period’.

You’re probably bursting to tell everyone your good news.

Most parents-to-be wait until the second trimester to let everyone in on their secret.

This is because by this stage the risk of miscarriage has reduced significantly.

There’s no hard and fast rule on when you should announce your pregnancy.

Most pregnant women wait until after the 12 week scan.

Don’t be surprised if some people have already guessed, especially if your first trimester was a bit rough.

The important thing is, you share the news when and how you want to.

Ask others to respect that it’s your news to announce, and leave it to you to spread the word.

13 Weeks Pregnant Belly

Typically, your morning sickness has ended, or will very soon.

In fact, you’re probably noticing your appetite has returned and you’re enjoying food again.

Just remember, though, you don’t have a licence to ‘eat for two’ while pregnant.

It’s still important to go for nutritious foods over highly processed junk.

Your baby’s future health is affected by your health during pregnancy.

Now you’re 13 weeks pregnant, your moods have most likely settled, and you should start to feel more energetic.

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13 Weeks Pregnant: Symptoms

At 13 weeks of pregnancy, most women find their pregnancy symptoms have changed.

Instead of coping with morning sickness and extreme fatigue, there are new things to expect and cope with.

These include:

  • Increased vaginal discharge. This thin, milky coloured fluid is called leukorrhea. It’s caused by rising levels of oestrogen and blood flow to the pelvis, and increases as your pregnancy progresses. It acts to prevent infection and promote healthy bacteria in your vagina.
  • Visible veins. You might have noticed a spidery network of blue veins appearing on your breasts, hands or even your belly. This is due to the increased blood volume, and it’s normal.
  • Breast changes. Pregnancy affects your breast tissue in anticipation of breastfeeding your newborn. This means increased size and darkening of the area around the nipple (areola), and an increase in the size of your nipples.
  • Increased sex drive. It’s also normal for you to feel a sudden jump in your sex drive around the second trimester. But maybe your partner doesn’t! 

Check out BellyBelly’s article Pregnant And He Doesn’t Want Sex Or Closeness? This Could Be Why… for more information.

The second trimester is a wonderful chance to enjoy being pregnant.

It’s also a great time to take up some pregnancy classes, or get back into doing some daily exercise if you haven’t been able to maintain it through the first trimester.

Now you don’t feel you have to nap every afternoon, or feel seasick if you move, enjoying a walk or exercise class is a great idea.

13 Weeks Pregnant: Your Baby

At 13 weeks pregnant, your baby is almost fully developed, and just needs to mature and grow.

Your baby has fully functioning kidneys and is starting to pass urine regularly. Urine is formed as your baby swallows amniotic fluid.

The spleen has developed and has begun to create red blood cells.

Your baby’s intestines, which were growing inside the umbilical cord, now move to the abdomen.

The eyes are in the correct place but remain shut. This is to protect the eyes as they continue to develop.

Your baby’s vocal cords are now forming.

Movements increase, but it’s unlikely you’ll be able to feel them at week 13.

You might be surprised to know your baby can suck a thumb or fingers.

Your baby’s head is now only a third of the size of the body.

Baby even has a unique set of fingerprints!

The placenta is growing, in anticipation of your baby’s development in the coming months.

By the time of birth, the average placenta weighs around 500g.

So now you have something else to blame for your weight gain.

13 Weeks Pregnant Ultrasound

An ultrasound of your baby at 13 weeks might detect your baby’s gender, but it’s not very accurate.

If you really want to find out, the most accurate time is at the 18-20 week ultrasound.

In the meantime, you can check out some old wives tales in our just-for-fun article, Boy Or Girl?

When you’re 13 weeks pregnant, your baby is approximately 7-8cms long and weighs around 23 grams. Your baby is now about the size of a peach.

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Last Updated: January 27, 2019

CONTRIBUTOR

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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