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both are.. but at 34 weeks the baby is bigger and at 18 weeks the baby is moving and turning inside your stomach and its beautiful to be able to see it and you can also see what you are having at 18 weeks if the baby legs aren't close together...congrat and best of luck

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โˆ™ 2006-07-10 14:13:17
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Q: Is a sonagram more accurate at 18 weeks or 34 weeks?
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Which sonogram is more accurate 7 or 18 week For example at 7 weeks you were 7 weeks and 3 days At 18 weeks you were 19 weeks 7 days Which is correct?

Because an ultrasound at 7 weeks and one at 18 weeks use different methods for estimating gestational age, they have different levels of accuracy. In general, a skilled sonographer's 7 week ultrasound is more accurate for dating than a skilled sonographer's 18 week ultrasound. Talk with your health care provider for information specific to your situation.


When can a sonogram determine the babys sex?

The most accurate time is between 18-22 weeks. Anything before 18 weeks is more of a guess, and anything after 22 weeks the baby might be too big to see between the knees.


How many weeks gestation before you can determine sex of baby?

18 weeks has the most accurate outcome


You had an ultrasound 18 weeks tech said 90 girl was flat in between legs accurate?

The ultrasound at 18 weeks is about 90 to 95 percent accurate. It there is a flat place between the legs it means it is a girl if there is something hanging it means it is a boy.


How many weeks in 127 days?

18 weeks and 1 day.18 weeks and 1 day.18 weeks and 1 day.18 weeks and 1 day.18 weeks and 1 day.18 weeks and 1 day.18 weeks and 1 day.18 weeks and 1 day.18 weeks and 1 day.18 weeks and 1 day.18 weeks and 1 day.


How many weeks in 18 years?

936 weeks* * * * *A year is not 52 weeks but 52 weeks plus 1 day (or 2 in a leap year). Allowing for these, 18 years is 1 or 2 days more than 939 weeks.


Can you tell the sex of a baby at 16 weeks and if so how right will it be?

Yes, you can tell the sex of a baby at 16 weeks, and it is close to 100% accurate. But a few factors will determine whether or not you can see the gender at 16 weeks. The baby's position and the mother's weight determine if you can see the gender clearly. With heavier women, it is harder to see a clear picture of the gender. Some women decide to check for the gender at 18-20 weeks for a more accurate ultra sound.


You were 16 weeks pregnant your ultrasound said that the baby size was 18 weeks which one should you do by?

The ultrasound dating has excellent and precise estimation of gestation especially if done in the first trimester (first 12 weeks). After 12 weeks, its accuracy goes down. However, compared to dating according to menstrual cycle, the ultrasound would be more accurate.


How many months pregnant do you have to be before you can tell if you are having a boy or a girl?

18 wks plusits about 18 weeks, usually by a scan but that isn't 100% accurate however mostly correct.


How many days are in 18 weeks?

18 weeks = 126 days.


How many hours are there in exactly 18 weeks?

18 weeks x 168 hours/week = 3,024 hours in 18 weeks


How many weeks is 126 days?

126 days is 18 weeks.

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