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Doctor insights on: Ultrasound Machine For Home Use Pregnancy

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When you get an obstetrical ultrasound, does the machine add one or two weeks gestation? Today it said I was 5weeks5days and I was on my period then

When you get an obstetrical ultrasound, does the machine add one or two weeks gestation? Today it said I was 5weeks5days and I was on my period then

Gestational age: When we talk about gestational age, we count for the first day of your last menstrual period. That convention goes back to the days before we understood when ovulation and conception occurred, and the only event we had to go by was the LMP. Now we understand that ovulation occurs two weeks later. So, if you were 5 weeks and 5 days, then conception occurred about 3 weeks and 5 days ago. ...Read more

Dr. Michael Gabor
2,271 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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I have took a siemens pregnancy hospital test home and results showing two lines on it. I did not use the machine. Am I pregnant?

I have took a siemens pregnancy hospital test home and results showing two lines on it. I did not use the machine. Am I pregnant?

Most likely u r.: U can repeat in few days to verify. Best wishes! Http://www. M.Webmd. Com/baby/guide/pregnancy-tests. ...Read more

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I had my LMP on 09/10/14, missed my period this month, and did hCG with level of 3866. 2 positive home Pregnancy test. NOTHING on ultrasounds. Help?

I had my LMP on 09/10/14, missed my period this month, and did hCG with level of 3866. 2 positive home Pregnancy test. NOTHING on ultrasounds. Help?

Too early: Usually at 4-6 weeks after conception you will see a yolk sac or early fetus image- this can take up to 3 months depending on the equipment used. Please call your GYN for ongoing evaluation. ...Read more

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Are the at home portable ultrasound therapy machines when used safely cancerous/release radiation?

Are the at home portable ultrasound therapy machines when used safely cancerous/release radiation?

No: This is just a lie that was made up by somebody on the internet. The type of radiation isn't the kind that mutates genes or induces cancer. Even you give rise to radiation. Best wishes. ...Read more

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I had to at home pregnancy test and a urine test at the office all positive but nothing shows in the sonogram. Why is this?

I had to at home pregnancy test and a urine test at the office all positive but nothing shows in the sonogram. Why is this?

Various reasons: You may be too early to show up on the ultrasound. If you are less than 5 weeks since your last period the sono might not show anything. If you have had any spotting then an early pregnancy may have been lost. If no bleeding and the blood HCG is over 1000 miu and still nothing in the uterus on sono, the possibility of an ectopic (tubal) pregnancy needs to be considered. Talk to your doctor. ...Read more

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Is it ok to have ultrasound free pregnancies? I heard ultrasound can harm unborn children.

Is it ok to have ultrasound free pregnancies? I heard ultrasound can harm unborn children.

Yes: Certainly, you can request not to have any ultrasounds during your pregnancy. However, ultrasound has been used for decades and there are no known consistent health risks to a developing fetus. They are safe. Ultrasound is an easy way to look for potential health issues which may be addressed before delivery, or at least can be anticipated for intervention after delivery. Trust your ob. ...Read more

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How common are partial molar pregnancies among Caucasians? Can they be picked up on a an ultrasound at 5 weeks gestation? Possible signs?

How common are partial molar pregnancies among Caucasians? Can they be picked up on a an ultrasound at 5 weeks gestation? Possible signs?

1:1500: The incidence of a molar pregnancy is about 1 in 1500. If you've previously had a molar pregnancy, its about 1 in 150. In early pregnancy, the symptoms are much the same as a normal pregnancy. Sometimes you can have spotting or more severe nausea and vomiting. U/S at 5 weeks is not always reliable for ruling out molar pregnancy. Best wishes! ...Read more

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Can you tell me what do ultrasound machines do?

Can you tell me what do ultrasound machines do?

Ultrasound (U/S): Works similarly to sonar. Sound wave are sent through tissues and the changes in their waveforms are recorded by the transducer. Because sound travels at different speeds through different tissues (or not at all) we can recreate images of structures by measuring the changes in the return echo from the initial sound wave. ...Read more

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I have a ultrasound rf cavition machine for slimming, does this produce a hiqh pitch sound when it touches my skin?

Maybe: Ultrasound, by definition means sound waves over the frequency of human hearing. That being said, a small proportion of the energy going into ultrasound production causes the creation of sounds of lower frequencies as harmonics. So there might be some audible sound heard during operation. ...Read more

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I'm about 18-19.5 weeks. Radiologist who did ultrasound put in machine that I was 26+ weeks. Can this affect the view and results of the ultrasound?

I'm about 18-19.5 weeks. Radiologist who did ultrasound put in machine that I was 26+ weeks. Can this affect the view and results of the ultrasound?

Dates off: The measurements of the baby would not be affected but the interpretation would be. The measurements at 18 weeks would be determined to be “small for dates” if the technician thought that you were 26 weeks. You should discuss with the ordering physician to make sure there is no confusion and an accurate interpretation of your sonogram ...Read more

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Question for ultrasound or echocardiography -- are they done with same machine?

Question for ultrasound or echocardiography -- are they done with same machine?

Similar: Similar machines with different probes for different frequencies of utrasound and different displays making different pictures. ...Read more

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Can my baby get harmed by a xerox machine during my pregnancy, if I make copies all day long?

Can my baby get harmed by a xerox machine during my pregnancy, if I make copies all day long?

Xerox copies: A copier does not cause birth defects or any harm to an unborn baby. Standing all day at the copier will make you tired, though. ...Read more

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What type of tumors or other health problems can you detect with an ultrasound machine?

It helps to image tu: Ultrasound is a good test to screen for tumors and cysts in the internal organs. It is one of the several imaging technologies which can be a good screen to start with. ...Read more

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I'm getting an ultrasound when I'm 31 weeks. Doc said she won't do 3D or 4d cause the standard machine sees just as clear. Then why do 3D/4d exist?

I'm getting an ultrasound when I'm 31 weeks. Doc said she won't do 3D or 4d cause the standard machine sees just as clear. Then why do 3D/4d exist?

3D/4D ultrasounds: This far along in your pregnancy a 2D will provide all the information necessary. As to why they exist - because the technology allows it and it is a "gimmick" while 3D is clinically useful to assess congenital abnormalities it can also "take a picture" of your baby and a 4D to provide a movie of your baby. Its a gimmick. 3 and 4 D are not always covered by insurance.. ...Read more

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Is the Ef determined by the Ultrasound itself or is it visually calculated? Mine was 50/55 visual and 63 by the machine which is accurate?

Not exact as we wish: Ejection fraction is visually estimated by a trained cardiologist. The Echo machine does contain algorithms to make an estimate of EF, but visual estimates are usually better because they focus on the evaluation of multiple images, from many directions. If the difference between these numbers is clinically significant, your ordering doctor will tell you. Either number would be OK for most peopl ...Read more

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Why are handheld therapeutic ultrasound machines not allowed to be used on the scrotum? Used for groin injuries, can some scrotal contact be ok?

Why are handheld therapeutic ultrasound machines not allowed to be used on the scrotum? Used for groin injuries, can some scrotal contact be ok?

???????: As long as the probe has been cleaned there is no reason that a handheld unit cannot be used to image the scrotum and its' contents. The probe should be of a higher frequency than for the typical abdominal probe, about 5-8mhz. ...Read more

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Do the ultrasound bone healing machines (exogen 4000+) actually help to speed up fracture healing or is it just a gimmick?

Do the ultrasound bone healing machines (exogen 4000+) actually help to speed up fracture healing or is it just a gimmick?

Ultrasound: Not a gimmick! Although no treatment is infallible, ultrasound treatment of fractures has been shown to help in bone healing. This is mostly used in delayed unions especially with fractures notorious for healing difficulties (like the tibia or the 5th metatarsal base). ...Read more

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How many ultrasounds will I have during my pregnancy?

How many ultrasounds will I have during my pregnancy?

Varies: Most women will have one ultrasound in the first trimester to verify dating and possibly as part of a special early screening for chromosomal abnormalities. A detailed second trimester ultrasound (around 20 weeks)is typical to look for any fetal abnormalities. Any additional ultrasounds will vary depending upon the specific circumstances of your pregnancy. ...Read more

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How often should you get ultrasounds during pregnancy?

How often should you get ultrasounds during pregnancy?

Depends: There is debate about ultrasound in pregnancy. until the 1980s Ultrasound was not available, and women still had babies.

If there are no problems with the pregnancy, Many suggest a Fetal survey at about 19 weeks.

More scanning, only if there is a problem. However, there is a lot of variability in opinion. ...Read more

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Can having too many ultrasounds during pregnancy be linked to autism?

Can having too many ultrasounds during pregnancy be linked to autism?

Not that I know: I have not seen any research that shows a link between ultrasounds in pregnancy and autism. Ultrasound is a valuable tool to use in ob, (check dates, position of placenta, growth of baby), but sometimes it is overdone, because it is risk free, and parents like to see pictures, and drs. Like to 'make sure' they are not surprised. It's a wonderful tool, that sometimes is used to much imho. ...Read more

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For a normal pregnancy, how many ultrasounds are done and when are these done?

For a normal pregnancy, how many ultrasounds are done and when are these done?

Let me advise you: Fetal ultrasound is often done during the first trimester to confirm and date the pregnancy and again during the second trimester — between 18 and 20 weeks — when anatomic details are visible. If your baby's health needs to be monitored more closely, ultrasounds might be repeated throughout the pregnancy. ...Read more

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Are ultrasounds can be dengerous to the baby when it is being done monthly during pregnancy (ob visits)?

Are ultrasounds can be dengerous to the baby when it is being done monthly during pregnancy (ob visits)?

Not likely: Why monthly? If there is a problem needing close follow-up this makes sense. Ask your doctor why. But I know of no good evidence that ultrsound exams are any risk to the unborn infant. ...Read more

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I've had total 7 ultrasounds with my pregnancy beacuse of bleeding I had is it true its bad for the baby iam having another coming up to see gender?

I've had total 7 ultrasounds with my pregnancy beacuse of bleeding I had is it true its bad for the baby iam having another coming up to see gender?

Safe when done right: My understanding of ultrasounds is that when they're done properly, they are safe. Ultrasounds are not like x-rays in which radiation is used. If an ultrasound probe is left in one spot for a very extended period of time, it could potentially raise the temp of the scanned tissue, but it is unclear if that has any ill effect. Recommend you pose this good? To the radiologist before the next u/s. ...Read more

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What number of ultrasounds is too many during pregnancy?

What number of ultrasounds is too many during pregnancy?

The # of ultrasounds: Can vary by situation. For instance - some women with particular complications may need more frequent ultrasounds. ...Read more

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Why is it necessary to get so many ultrasounds in pregnancy/

Why is it necessary to get so many ultrasounds in pregnancy/

It isn't: In an uncomplicated pregnancy, repeated ultrasounds aren't necessary. A 1st trimester sonogram is best for confirming the due date and number of fetuses while fetal anatomy is best assessed in the mid to late 2nd trimester. Additional sonograms may be recommended if complications such as hypertension, diabetes, or pre-eclampsia arise, but for the uncomplicated, low risk patient, 2 should suffice. ...Read more

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Ultrasounds in the first 4 to 6 weeks of pregnancy can only have a error of 3 to 5 days?

Ultrasounds in the first 4 to 6 weeks of pregnancy can only have a error of 3 to 5 days?

very accurate: If done properly the first trimester ultrasound measuring the actual embryo length is the most accurate dating method. ...Read more

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Could someone please tell me how many ultrasounds are needed in a pregnancy? In which weeks these should be done? Thank u so much.

Could someone please tell me how many ultrasounds are needed in a pregnancy? In which weeks these should be done? Thank u so much.

A reasonable: Approach is an ultrasound around 20 weeks to look for any fetal or maternal problems and to estimate the date of delivery. This is often the only ultrasound an otherwise healthy expecting mother will have. ...Read more

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Are 3D ultrasounds during pregnancy safe?

Are 3D ultrasounds during pregnancy safe?

Debated but gnrly ya: The question of whether or not ultrasound (US) can physically heat the tissue (because of multiple internal reflections & the focusing of the US beam) is a topic that is debated among scientists, but generally speaking, though, US is considered safe by the FDA / medical community. The max power in the systems is regulated by the FDA, & no proven harm has been demonstrated as yet. Need more studies ...Read more

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What's the difference between cyst and pregnancy ultrasounds?

What's the difference between cyst and pregnancy ultrasounds?

same ultrasound: Same ultrasound just what it is looking for and what is found is different. ...Read more

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How many vaginal ultrasounds do most women receive in pregnancy and at which weeks of pregnancy do u have them?

How many vaginal ultrasounds do most women receive in pregnancy and at which weeks of pregnancy do u have them?

Depends: Sometimes a very early vaginal ultrasound is done to asses for a fetal heart beat and a follow up is needed to accurately date. If all is normal you may not need a additional tv ultrasound. ...Read more

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How do 9 week transvaginal ultrasounds date a pregnancy?

How do 9 week transvaginal ultrasounds date a pregnancy?

By measuring the: Size of the fetus and the size equates with weeks gestation. ...Read more

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Should too many ultrasounds be avoided? Could they cause miscarriage, especially in early pregnancy?

Should too many ultrasounds be avoided? Could they cause miscarriage, especially in early pregnancy?

US only when necess.: Ultrasound (us) is a very safe examination. However, it should be used only when necessary to properly care for the patient or fetus.

Why? Us uses high frequency sound waves that we cannot hear, but do have energy. Some us techniques involving doppler to look at blood flow are even more energetic.

We do not know for sure what that energy could do to a fetus or embryo, so no us unless necessar. ...Read more

Dr. Linda Callaghan
4 Doctors shared insights

Pregnancy (Definition)

When your due date arrives, you will be more than ready to have your baby! Most women deliver the baby somewhere between 37 and 42 weeks. According to the American College of Obstetricians and Gynecologists, only 5% of babies arrive on the exact due date. Approximately 7% of babies are not delivered by 42 weeks, and when that happens, it is referred to ...Read more