How accurate are dating scans for conception

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From: JJOI
Category: Greece‎
Added: 05.09.2019
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A dating scan is an ultrasound examination which is performed in order to establish the gestational age of the pregnancy. Most dating scans are done with a trans-abdominal transducer and a fullish bladder. If the pregnancy is very early the gestation sac and fetus will not be big enough to see, so the transvaginal approach will give better pictures. Dating scans are usually recommended if there is doubt about the validity of the last menstrual period.
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Accuracy of ultrasound to determine date of conception

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Dating scan - Hot Topics | Forums | What to Expect

Any calculation of a conception date is an estimate, even in a woman with regular day menstrual cycles. 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. However, you can use various factors and knowledge about reproduction to help narrow down the date to within one to five days if your cycles are regular. If you are wondering how to determine conception date, there are several methods.
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How Accurate Are Conception Dates?


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