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Doctor insights on: What Is The Result Of Ultrasound For Fetal Size In Macrosomia

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When you subtract 2 weeks from the ga provided by an ultrasound, does that give you the estimated fertilisation age or the estimated fetal age?

When you subtract 2 weeks from the ga provided by an ultrasound, does that give you the estimated fertilisation age or the estimated fetal age?

Yes: When estimating gestational age by using an ultrasound scan, 2 weeks are added to the fetal age (the fetal age is the fertilisation age). ...Read more

Dr. Michael Gabor
2,236 doctors shared insights

Sonogram (Definition)

An ultraound, also known as a sonogram, is a painless and relatively inexpensive imaging test that utilizes sound waves instead of ionizing radiation. There are no side effects. Ultrasound can give us two-dimensional, and in some applications three-dimensional, images of structures and organs in virtually any part of the body. In addition to diagnostic uses, such as evaluating abnormalities in the abdomen, pelvis, and breast, ultrasounds are commonly used to guide needle and catheter placement in a variety of surgical ...Read more


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Is 14 weeks too early for the routine anatomy ultrasound? Is there a big difference in fetal size at 14 weeks and 18 wks?

Is 14 weeks too early for the routine anatomy ultrasound? Is there a big difference in fetal size at 14 weeks and 18 wks?

Yes way too early: 18 weeks is the lower limit for fetal anantomy scan, most are done 18-20 weeks so u need to be patient, u should ahae already had the integrated screen or one of the newer blood tests to r/o down's tri 13 and 18 you need to be patient. ...Read more

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Would 14 weeks be too early for the routine anatomy ultrasound compared to doing it at 18-20wks? Would there be a big diff in fetal size 14wk vs. 18wk?

Would 14 weeks be too early for the routine anatomy ultrasound compared to doing it at 18-20wks? Would there be a big diff in fetal size 14wk vs. 18wk?

Talk to MD: The perinatologist is the best one to answer this question. Yes there is a big difference in size between a 14 wks fetus to a 20 week fetus, so yes it will be easier to do a screening ultrasound with a bigger baby. However, if you have concerns related to your pregnancy, or perhaps difficulty with a previous pregnancy, you should talk to md. ...Read more

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Just had an ultrasound today am supposed to be 9 weeks...last mp was 8/6/15 showing fetus +- 6 weeks in size no heartbeat and hcg levels 35000...help!

Just had an ultrasound today am supposed to be 9 weeks...last mp was 8/6/15 showing fetus +- 6 weeks in size no heartbeat and hcg levels 35000...help!

Sorry: Unfortunately, with bHCG at 35,000 and no FHT, I am sorry to say, the result does not look good. You need to talk with your Obstetrician ASAP. It helps to repeat the bHCG in 2 days to see if it drops or it doubles. Also, repeat the ultrasound. Sometimes, the worse looking situations can yield surprisingly positive results... like the sonographer being wrong. Good luck. ...Read more

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If ultrasounds have margin of error, how do u know when you're within the range of when the NT scan should be done?Does fetus have to be certain size?

If ultrasounds have margin of error, how do u know when you're within the range of when the NT scan should be done?Does fetus have to be certain size?

Best estimate : The margin of error for ultrasound dating is the smallest in the first trimester, which is when the nuchal translucency scans are performed. Yes the fetus does have to be a certain size and between certain dates in order for the information to be accurate. ...Read more

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First ultrasound 6w 3d only found gestational sac & yolk sac no fetal pole. Went after 2 weeks found same result but the sac measured 7w 6d miscarry?

First ultrasound 6w 3d only found gestational sac & yolk sac no fetal pole. Went after 2 weeks found same result but the sac measured 7w 6d miscarry?

Discuss with doctor : It would not be appropriate for us to make a definitive statement without all the information. I will say that a fetus should be visible in a gestational sac 7-8 weeks size. Ask your doctor if you have a blighted ovum. A blighted ovum is where the baby never forms. This can be treated with medication of a surgery called a D and C ...Read more

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What size should gestational sac be at 5 weeks 6 days? Ultrasound today, 13 mm NO yolk sac or fetal pole. HCG 561 progesterone 119 5/19/14, HCG 1255 5/21/14. IUI 5/2/14. Should I be concerned?

What size should gestational sac be at 5 weeks 6 days?  Ultrasound today, 13 mm NO yolk sac or fetal pole. HCG 561 progesterone 119 5/19/14, HCG 1255 5/21/14. IUI 5/2/14.  Should I be concerned?

Possibly: Usually at 5 weeks there is a yolk sac and fetal pole. However, there is a variation in the ultrasound dating so this may still be a very early pregnancy. Best to wait a week or two and repeat blood work and ultrasound . As always discuss with your obstetrician . Best wishes ...Read more

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Dr. Al Hegab
15 doctors shared insights

Large Baby (Definition)

A large baby or large for gestational age baby is a baby whose weight is greater than 95% of babies born at ...Read more


Dr. Nasiruddin Mansury
35 doctors shared insights

Macrosomia (Definition)

Macrosomia is a body that is larger ...Read more