Hello my friends, I hope you all are having an amazing year so far, welcome back to another post, this time we are talking about 13 week pregnancy, as usual all the ultrasound images with explanations will be starting halfway on the post.

OK my friend let me congratulate you if you get here, that means that you reach the last week of your first trimester, very exciting I know.

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How Big your Baby at 13 Weeks?

At 13 weeks pregnant, the baby is as big as a Lemon. The average fetus at 13 weeks is about 6.6 cm to 7.9 cm on the CRL measurement, your baby is about 2.9 inches long and weighs about 0.81 ounces, his or her head is about 1/3 the size of the body compared to 1/2 that was before. At this point, your baby has all his or her important organs developed already, his or her main job is to keep on growing.

13 weeks pregnant symptoms.

Well dear, I have good news for you, at this point, your symptoms are a lot less, so you might start noticing more energy throughout the day and less nausea and other symptoms.

Increase in energy: You finally made it to the beginning of the second trimester which is known as the least symptomatic and the most energetic of the pregnancy. As you start to feel more like yourself and get that energy back, you probably want to start getting ready for your bundle of joy arrival, I know, shopping is good therapy, even for me lol. Also, you now have the energy to get back to a fitness routine. Exercise will benefit you and your baby as well and can even make labor easier when the time comes.

Increased sex drive: If you are one of the lucky ones who experience this symptom don’t get stress out if you start feeling mild uterine cramping after orgasms and/or mild post-coital spotting when you have intercourse, keep in mind that a little spotting is normal simply because your cervix is more sensitive. But heavy bleeding (like a period) isn’t, so call your doctor if it is more like a bright red flow.

You might still feel other mild symptoms occasionally, give yourself time and love, some of those random symptoms are listed below:

  • occasional abdominal pain or back pain.

  • visible veins.

  • constipation, bloating or gases.

  • difficult sleeping or feeling out of breath.

  • the appearance of stretch marks in abdomen, hips and buttocks.

  • occasional dizziness.

  • mood swings.

  • pregnancy cravings or increased appetite.

  • vaginal discharge.

As usual, I will link the most recent previous post down here in case you want to check them out.

What you need to know about the normal 12 week ultrasound.

What you need to know about normal 11 week ultrasound.

What to expect on your 13 week ultrasound!!!!

OK so first let me tell you that by now you probably have all your first trimester regular ultrasounds done, the Nuchal translucency is done at week 12, I explain more in deep about nuchal translucency on my previous post, so unless there is an abnormal symptom like pain, spotting/bleeding, you are not due for any ultrasounds until week 18 to 20 for the Fetal Anatomy scan ( on this ultrasound you will find out the gender of your baby, how exciting is that?)

Is still better to do this Ultrasound Transvaginally to get better pictures however some medical offices perform this ultrasound Transabdominally as well.

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Ultrasound image of the profile view of a baby, on the 13 week ultrasound arms and legs are already defined, the bone structures of the face are seen, the rib cage, heart beating, and spine are also clearly seen, major organs are formed and starting to work at this time.

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The required measurement at this time is still the CRL.

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Ultrasound image of the doppler on the heart. The heartbeat expected to be seen today is between 130 to 175 bpm.

 

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Ultrasound image of the fetal face, you can see the orbits of the eyes, nasal bones and more defined bone structure of the face.

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Ultrasound image showing defined fetal legs extended on the left side of the screen.

At 13 weeks on the gestational sac there are changes occurring too, we are going to evaluate the amnion and the placenta as well, that at this time is already fully developed.

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Ultrasound image of a Posterior Placenta.

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Ultrasound image of an Anterior Placenta.

The position of the placenta can vary but has no specific meaning, as long as is not Previa is all good.

 

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Ultrasound image of monoamniotic-monochorionic twin pregnancy.

If no abnormal findings occur on the 13 week scan, we proceed to the next appointments, more testing is still required even in normal pregnancies, but so far you are doing great.

OK guys, I decided to do at the end of the first trimester a blog about Abnormal first trimester ultrasounds, because I want to focus on the joy of the normal first trimester ultrasounds but I also want to provide some information to the mommies that are dealing with some abnormalities on the pregnancy, is not easy to keep this blogs sweet and simple when there are so much to discuss about chromosomal and genetic disorders, I will talk more in deep about that on the post next week, as you probably noticed I will be posting now every Wednesday instead of twice a week, I hope you guys understand.

 

As usual, I want to thank you for staying until the end, I see next time.

Zadi xo.

 

Disclaimer: Due to HIPPA compliance and regulations all patient information is protected on this site, the majority of the Ultrasound images are my own however some Ultrasound images are obtained from copyright free sites as well as the other images used on the blog posts. Also the information provided on my blog is designed to provide helpful information about the topic and are made with the best of my knowledge therefore is not intended to diagnose or treat any medical condition, For diagnosis or treatments on any medical problems consult your own physician. The author is not responsible or liable for any mistreated pathologies or wrong treatments.

 

 

 

 

 

 

 

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