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When can you visualize yolk sac on ultrasound?
You should be able to see the yolk sac at 5 weeks.
Can you see a 5 week pregnancy by ultrsound?
You will likely see the gestational sac and maybe the yolk sac.
Is it normal to see the yolk sac at 7 weeks?
Yes At this point you SHOULD see that.
Can an internal ultrasound detect pregnancy before implantation?
From just over 5 weeks, see the associated website I had my first u/s done at less than five weeks I was probably 4.4 weeks, but all I showed was the yolk sac and the sac....no fetal pole or baby. == an internal ultrasound can detect a pregnancy much sooner than an external ultrasound, even if all it detects is a yolk sac.....there would not be a yolk sac if you were not pregnant.
How early can you see the placenta on ultra sound?
at about 4 weeks they can sometimes see the gestation sac. by 5 weeks they can usually see the yolk sac. and by 6 weeks you can usually see a fetal pole, sometimes even a heartbeat
If your yolk sac was measured on Jan 7th then you could not have fallen pregnant on the 4th of Jan would have to have been befor that?
No you couldn't to see a yolk sac you would need to be approx 5-6 weeks pregnant which is 3-4 weeks after conception.
No yolk sac or fetal pole in 7weeks of pregnancy via ultrasound?
According to LMP, should be 7 weeks and 1 day. Transvaginal ultrasound today indicated that I was only 5 weeks 4 days. The gestational sac was very clear on the screen but there was no yolk sac. If the technician measured correctly then 5 weeks 4 days Is just about the time you would start to see a yolk sac. I have to go back in 10 days for another ultrasound but it seems soooooo far away. The only symptoms I've had has been breast tenderness, minimal fatigue. I've had no nausea, no bleeding, mild cramping. Does anyone have any encouraging words? The suspense is hard to deal with.
I've had 2 positive blood tests but ultrasound tec could see no sac whats going on?
It depends on how far along you are. Ultrasound normally can detect a yolk sac between 5- 7 weeks. Kristin, RDMS
Is it normal for only the gestational sac to show and not the yolk sac or the fetus?
When i was 5 weeks they did a ultrasound after having a positive home pregnancy test and positive blood test. They said according to the size of sac i was only 3 weeks and they didnt see a embrio. Maybe a false pregnancy or the fetus stopped growing i went a week later to another doctor and they detected a embrio and the sac had grown in one week i will be four months so just give it a little time and maybe see another doctor. Good luck!
Could blighted ovum be mistaken for prenancy to earl y to see?
Yes, it definitely can be mistaken for a viable pregnancy. An ultrasound can usually help in determining whether it is a blighted ovum or a pregnancy. If the sac is >8mm without a visible yolk sac (transvaginal ultrasound) or >16mm without a visible embryo (also transvaginally), it is considered a blighted ovum. Transabdominally, it is a blighted ovum if it measures >20mm without a visible yolk sac or >25mm without a visible embryo.
Mammals have a belly button which is the remainder of their attachment to the umbilical chord but do birds reptiles fish etc. have a remainder of their attachment to the yolk sack?
" All placental mammals will have a "belly button" as this is the remainder of the umbilical cord when they were attached to their mother in the womb. It's difficult to see due to mammals having fur or hair. Also...If you think of it....birds and reptiles that come from eggs will have some "form" of a "belly button" as when they are in the egg they are attached to the "yolk sac" via a cord. Maybe you can't see this clearly due to scales and feathers..but I bet if we looked closely enough..you'd find "something" I bags NOT to be the person who wrestles with a croc to find out if reptiles have one!!!" audry o's answer to http://answers.yahoo.com/question/index?qid=20080325032221AAcFeEk
Why at five weeks and 3 days no yolk sac or fetal pole?
If your dates are even a few days out you are3 too early to see this. Another scan in a week or two will be more accurate. That is not true. It is very possible to not see anything. Only about 50% of women show more than the sac in their 5th week of pregnancy. I have heard many stories of women who saw nothing in the 5th week and then returned a week or even just a short 3 or 4 days later and the yolk and pole were present. Do not worry. Relax and wait for the next ultrasound.
