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Doctor insights on: How Reliable Are Dating Scans

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my dating scan 1st August 2014 dated me 12w 5days who is the dad? the one on the 20th april or the second on the 29th april til middle of may?

my dating scan 1st August 2014 dated me 12w 5days who is the dad?  the one on the 20th april or  the second on the 29th april til middle of may?

Second one: Thirteen weeks is a trimester, or 91 days, which puts your date if conception around the 3rd of May. Since there is an error factor of +/- 5d - 2weeks, you will probably need to do paternity testing, since within this error factor, either one could be the dad, within the error if the testing technique. Dad #2 is the front runner in this calculation, but can't rule out #1 by dates alone ...Read more

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I had a dating scan yesterday I am 4w3d. I didn't feel nauseous that much and my nips still are sensitive but not as much can symptoms come and go?

I had a dating scan yesterday I am 4w3d. I didn't feel nauseous that much and my nips still are sensitive but not as much can symptoms come and go?

Yes: Absolutely! It's early, so symptoms will wax and wane for a couple of weeks then set in. Every woman's experience is different ...Read more

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Does a nhs dating scan measure the baby to your LMP or when you conceived?

Does a nhs dating scan measure the baby to your LMP or when you conceived?

Do not know what: Nhs scan means but any ultrasound during pregnancy will date the gest age , 7-10 weeks is usually the most accurate the farther u get like the 3rd trimester the larger the range is. ...Read more

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Can 12 week dating scan be off by 2 weeks? Could a 10 week gestational age fetus measure as big as 5.6cm?

Can 12 week dating scan be off by 2 weeks? Could a 10 week gestational age fetus measure as big as 5.6cm?

Yes: Ultrasound scanning is related to the skill of the sonographer. Typically a 10 week scan has three days of error built in when the test is performed vaginally. There is more error with an abdominal ultrasound. Average crown rump length at ten weeks is approximately 3-4cm. ...Read more

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How accurate are early dating scans mine came back 6weeks 5days due 23 October and my LMP was on 13/1/14 due date 20th October ?

How accurate are early dating scans mine came back 6weeks 5days due 23 October and my LMP was on 13/1/14 due date 20th October ?

Conception: Early scans are the most accurate and most used way to determine conception and due dates. You can verify all you need to know about your pregnancy yourself on the internet. The tools are readily available. Your baby was conceived on 1/30/2014 from sex that occurred 1/25/2014 to 1/30/2014. You can verify this here: http://www.babymed.com/conception-calculator. ...Read more