ALL BLOG POSTS WEEKLY BABY ULTRASOUNDS

Normal first trimester 6 weeks ultrasound.

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Assuming that you have a positive pregnancy test, and HCG (pregnancy hormone) blood work confirms a pregnancy. Next thing is an ultrasound, to rule out gestational age, estimated due date, how many babies and also maternal organs are checked, to rule out Fibroids, ovarian cysts etc.. Today I will be talking about Normal first trimester ultrasound and all you need to know before your first 6 weeks ultrasound.

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6 weeks baby ultrasound.

Related posts you might want to check after.

How to prepare financially for a baby on a budget.

Pregnancy symptoms for the first trimester.

Pregnancy symptoms at 6 weeks:

Cramping and spotting: At 6 weeks pregnant, mild cramping and spotting are both normal. I know these symptoms can be worrisome due to ectopic pregnancy or miscarriages at 6 weeks. Please know that if you start having abdominal pain and is severe (stronger than period cramps) or if you have any bleeding that becomes heavy like a period, in this case is when you should be concern and call the doctor immediately.

Fatigue: You’re so drained because your body’s still getting used to your changing hormones. This will get better as the pregnancy progresses.

Frequent urination: If you find yourself having to pee more than usual, it’s because the pregnancy hormone hCG is directing extra blood flow to the pelvic area. Heading to the bathroom more often is normal, but if you have painful urination or have the urge to go but are unable to, tell your doctor right away. Those are signs of a UTI, which you’re at higher risk for starting at week 6 of pregnancy.

Sore breasts: Your boobs are likely sore, thanks to increased blood flow. Your body is already starting to prep to breastfeed your baby.

Nausea: Unfortunately morning sickness is real and starts to happen early in the pregnancy, due to hormonal changes. It’s a good idea to find foods that help settle your stomach and to keep them on hand for regular snacking, since having an empty stomach can trigger nausea.

Fetal development at 6 weeks.

  • By the 6th week, two parts of the heart develops separately, then fuse to form a tiny organ that begins to beat rapidly, almost twice as yours.
  • The baby looks like a C at this time, due to a rapid growth on his back instead of the front, and a tail is also present, this tail will eventually disappear.
  • Your baby is about the size of a rice grain.
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Normal and abnormal findings in a 6 week baby ultrasound.

ultrasound image of a gestatonal sac and yolk sac within the uterus, early pregnancy

A normal yolk sac is round and should measure less than 6 mm. If the yolk sac measures more than 6 mm, is bizarre in shape or is calcified follow up scan is required since most pregnancies with Abnormal yolk sacs will fail.

ultrasound image of a normal looking yolk sac, early gestation
Normal yolk sac
ultrasound image of an enlarged yolk sac
Enlarged yolk sac.

calcified abnormal yolk sac

bizzarre shaped yolk sac

Embryo:  The second structure that becomes visible within the gestational sac is the embryo. Embryonic cardiac activity should always be seen when an embryo measures greater than 5 mm.

A normal fetal heart rate usually ranges from 115 to 160 beats per minute during the first weeks of gestation, It is measurable with ultrasound from around 6 weeks, the normal range varies during gestation, increasing to around 150 to 175 beats per minute at 10 weeks and decreasing to around 130 beats per minute at term.

A heartbeat of 100 BPM or less In the first ultrasound may indicate a pregnancy that is going to fail however a follow up is always recommended.

6 weeks ultrasound

Most COMMON and usually harmless cause of vaginal bleeding on the first trimester is Subchorionic bleedings, it resolves by itself however precautions have to be follow.

6 weeks ultrasound

And remember if you see an image like this one:

you guess it !!!! YOU ARE HAVING TWINS…

6 weeks ultrasound
Fraternal twins

 

6 weeks ultrasound
Identical twins.. This babies are approximately 9 weeks.

Tips for you at 6 weeks.

Prepare for Your Checkup

Expect this first of many prenatal checkups to be exciting. You’ll have a pelvic exam and blood tests. You’ll also be tested for sexually transmitted diseases, immunity to measles (rubella) and ethnic-specific genetic diseases. Plus, you’ll need to pee into a cup so your urine can be tested for glucose. protein. red and white blood cells and bacteria. One more thing: Be prepared to answer lots of questions, but more importantly, to ask some of your own questions, bring a list so you won’t forget anything.

In conclusion

This was the most important information about your normal ultrasound at 6 weeks. Next post I will be talking about Normal pregnancy Dating, protocol, and guidelines, how we measure the baby to have an accurate due date, and more. So I will see you next time.

As usual thanks so much for reading this post today, and good luck.

Zadi xo

Disclaimer: Due to HIPPA compliance and regulations all patient information is protected on this site. 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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(14) Comments

  1. Thank you for sharing the blog. Nice analysis all the symptoms.

  2. Thank you so much Olivia, I am glad you find this post helpful

  3. Anna Waldherr says:

    Definitely useful information.

  4. Thanks Anna, I really appreciate it your comments ?

  5. […] Normal first trimester 6 weeks ultrasound. […]

  6. […] Normal first trimester 6 weeks ultrasound. […]

  7. Jessica says:

    Question for you. I went into first ultrasound on Friday. The calendar says I should be 7 weeks 5 days, but the ultrasound showed me at 6w1d. We didn’t see a heartbeat, but I got a call from the dr office a few hours later saying that it could just be too early still and said everything was measuring good. So I’m a utterly confused. How can the calendar be that far off? I’m anticipating this to not be viable, especially as I just had a blighted ovum miscarriage mid-July. Any thoughts on this?

  8. Hi dear I understand your confusion.

    One thing, after you go to your first ultrasound and the measurements are off, you can’t right away know what is going on until:
    1. The doctor do a blood pregnancy test to see where the hormones are and to confirm that you are actually 6 weeks.
    2. Do a follow up ultrasound to confirm pregnancy viability.

    After a blighted ovum, generally speaking your hormones and period are going to stay a bit off for at least 2 cycles. So chances are that you are earlier than 7 weeks.

    You should be a bit concerned if they see a fetal pole in the ultrasound measuring 6 weeks with no heart beat. If not, I wouldn’t be concerned yet.

    Please follow up with the doctor and let me know.

    Best regards Zadi.

  9. Jessica Cook says:

    Zadi – I’d like to follow up with you from my reply on 10.19.20. We’ve run the blood tests a couple times on different weeks and, in fact, my pregnancy isn’t viable due to the HCG decline. With that, I’ve hit the hormonal drop in emotions and just don’t think clearly as I just want to be sad. The catch is, this Sunday (11.8.20) I will be 11 weeks. I have yet to have the natural miscarriage. I haven’t had signs of infection yet. And I don’t think I want to take the pill to induce the miscarriage. The other option of a D&C scares me a little as I had to have one in 2018 due to a missed miscarriage of twins and the dr. didn’t want it to get to late. I feel the D&C made it difficult to conceive since I was pretty fertile (with no complications and 2 natural births) prior to. So I guess I’m just not sure when to make the decision of not waiting for nature to take hold. Do you have any tips or guidance on that?

  10. Hi Jessica I am so sorry to hear that. And I can totally relate to your feelings. There are pros and cons that you should definitely consider when choosing a natural miscarriage vs a D&C, with a pill/ natural miscarriage the pain is going to be bigger, but you don’t have to deal with hospitals and the D&C. In the other hand D&C is faster, you don’t feel anything, it cleans your cavity to a future pregnancy, but the most important One is that the results of the D&C are send to the lab so you know what is the cause of recurring miscarriages, genetic, chromosome or other. I think that if you want to have another baby this should give your doctor a guidance to treat you better on your next pregnancy. I really hope this helps, let me know the results.
    You can email me at ultrasoundfeminsider@yahoo.com
    Thanks

  11. […] Normal first trimester 6 weeks ultrasound. […]

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