Doctor insights on:
How Reliable Are Dating Scans
My dating scan 2 weeks ago showed gest sac =5w1d. No fhr.Today scan showed crl 4.4mm =6w1d, sac 13.4mm, fhr 112. Is this reassuring ?Need f/ u scan?
Everything: Sounds encouraging and the embryo is growing. Consult with your obstetrician about the need and timing of future ultrasounds. ...Read more
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
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
How accurate is a dating scan saying im 9 weeks. Had 2 a week and a half apart and both said same things. 1st-due date jan 27th other, jan 26th 2016.
Ultrasound: dating is generally accurate by +/- 8% in days, so at 9 weeks it is accurate to approximately +/- 5 days. ...Read more
Very: It has a 5-7 day margin of error. It is quite accurate. ...Read more
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 moreSee 1 more doctor answer
Wouldn't a fetus at a 14 week dating scan be seen if it was bigger or smaller be detected in determining due date?
Being pregnant: At fourteen weeks, if a female was pregnant, a fetus would be observable. ...Read more
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