Q: Is a sonagram more accurate at 18 weeks or 34 weeks?

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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.

There are 2 4/7 weeks in 18 days.

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

126 days is 18 weeks.

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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.

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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.

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.

Usually you can find out between 18 and 20 weeks. I found out that I was having a girl at 18 weeks 5 days. There is a test called intelligender that you can take as early as 7 weeks but I don't advise it. It said I was having a boy and I took it at 10 weeks. My Doctor said that he is 0 for 4 on that test being accurate. So just be patient and you'll get to find out soon! Trust me, those first 18 weeks flew by.

There are 2 4/7 weeks in 18 days.

In K-12 it's 18 weeks.

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

18 days until Nov 19, or about 2 1/2 weeks.

126 days is 18 weeks.

Assuming she is qualified and experienced at her job she is probably right. However the ultrasound is not 100% accurate.

Typically, the gender of a fetus can be determined through ultrasound around 18-20 weeks of pregnancy. A more accurate determination can be made through genetic testing such as amniocentesis or chorionic villus sampling earlier in the pregnancy.