The 13th Week of Pregnancy

Pregnancy Week by Week – the 13th Week of Pregnancy

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At 13th Week of Pregnancy, you’re officially finishing the last days of your first trimester. Now, you’re almost 1/3rd of the way through your pregnancy.


What to expect at 13 weeks pregnant? What’s happening inside your body?

You may notice that at 13 weeks pregnant your pregnancy symptoms may change a bit. In general, you’ll notice that you’re feeling better than previous weeks. You’ll feel less nauseous through the day but you may experience these symptoms as well:

  • Increased Sex Drive

You may feel increasing sexual desire so enjoy it!

  • Spotting

Spotting is also very common at the 13th week of pregnancy, especially after sex! But if you notice heavier bleeding, look like period blood or even heavier, call your doctor right away!

  • Increase in Energy

At 13 weeks pregnant, you will feel more like yourself and you will feel noticeable increase in your energy levels

  • Vaginal Discharge

This might seem a little gross, but you will notice an increased blood flow to your vagina in along with the increasing production of estrogen production.

  • Breath Shortness

You may start to experience shortness of your breath at the moment which is completely normal among most pregnant women

  • Breast Tenderness

At 13 weeks pregnant, you will notice some changes in the size of your breasts as they are growing bigger preparing for milk.

  • Nipples Change

At 13 weeks pregnant, your nipples will become larger and turn darker.

  • Visible Veins

Additionally, you will notice those blue lines that have suddenly appeared in your skin

  • Decreasing Fatigue

Now, your body is doing just fine as it has adjusted to pregnancy

  • Food Cravings

Take it easy on yourself, if you still have cravings for some weird food

  • Mood Swings

At 13 weeks pregnant, you may feel different emotions all at once

  • Constipation

13 weeks pregnant women are encouraged to take prenatal vitamins as the Folic Acid, but all the irony can make them feel a little constipated.


How big is your baby at 13 weeks pregnant?

Now, your baby is as large as a peach, your baby’s head is a third of his/her length. Your 13-week baby is about 2.9 inches long and weighs about .81 ounces

Here’s an important to keep in mind, don’t compare your fetus to another fetus!  Although babies develop the same way and take the same road, they are growing at different paces; some are faster than others and some are slower!

What’s happening with your baby? (Your Baby’s Development)

Your baby’s brain is more complex now and the fingerprints are forming on their fingers, additionally, your baby has vocal cords and teeth as well.  If you’re having a boy his testicles have finished developing by the 13th week of pregnancy, and if you’re having a baby her ovaries have now formed.


13 Weeks Pregnant Ultrasound

The 13th weeks of pregnancy could detect your baby’s gender, but your doctor will probably wait until the mid-pregnancy ultrasound (about 18 to 22 weeks).


The Checklist of the 13th week of pregnancy:

  • Drink plenty of water
  • Make sure you have well-balanced meals
  • Keep taking prenatal vitamins including vitamin D
  • Consider safe exercises during your pregnancy
  • Sign up for weekly pregnancy tips

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Post Author: Pregnancy House

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