Accurate early ultrasounds dating pregnancy
This is presuming that the pregnancy is actually at this stage of development.
For many women, especially after 8 weeks gestation, sufficient information about the baby may be obtained with transabdominal ultrasound only.Using ultrasounds to figure out a due date really made the question “when are you due? Unfortunately for women who do know when they last had a period, this technology may muddy the due-date waters. She was one of the conflicted women who had a due date change because of a first trimester ultrasound. Was she due on the 5th (based on her last period) or was she due on the 15th (based on the ultrasound)?She ended up having her baby the 14th, so it looks like technology won the battle in this case.The earlier the ultrasound is done, the more accurate it is at estimating the baby's due date.Ultrasounds performed during the first 12 weeks of pregnancy are generally within 3 - 5 days of accuracy.
) the fetus is clearly seen on trans-vaginal ultrasound and the heart beat can be seen at this early stage (90 to 110 beats per minute under 6 to 7 weeks, then 110 to 200 beats per minute as the baby matures).