How accurate are sonograms for dating pregnancy

Posted by / 11-Sep-2017 18:20

How accurate are sonograms for dating pregnancy

Pregnancy ultrasounds are performed mainly using transabdominal ultrasound.

For many women, especially after 8 weeks gestation, sufficient information about the baby may be obtained with transabdominal ultrasound only.

No matter how long or short the cycle, you will get your next period around 12 to 14 days later.

The timing of certain tests, the monitoring of the baby's growth, and the correct diagnosis of premature labor, or being truly "overdue," (postdates), as well as many other situations that arise in the course of a typical pregnancy, all depend on a correct determination of the EDC for appropriate management.If you can determine that day, you will come close to identifying your date conception.There are various ways to estimate the day of ovulation.This is where our wonderful ultrasound machines can make a crucial difference.With today's modern equipment, we can obtain very reliable images and measurements of even very early pregnancies, sometimes even seeing a heartbeat as early as 5-6 weeks!

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Except for in-vitro fertilization (IVF) and other assisted reproductive procedures, you cannot precisely calculate the exact day a sperm meets an egg and fertilization (conception) occurs.

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