Doctor insights on:
Ultrasound Of 12 Weeks Of Pregnancy
When 1st trimester ultrasounds date pregnancy how do they base the gestational age? Do they assume conception occured on cd14?
US: First trimester ultrasound is based on biometric measurements only, the embryonic crown-rump length, which is extremely reliable when done by a skilled sonographer. No assumptiosn need be made at all. The ega is however reported correctly, by convention, from the first day of a hypotehtical last menstrual period; so in that regard it 'assumes' conception on cd 14. ...Read more
An ultraound, also known as a sonogram, is a painless and relatively inexpensive imaging test that utilizes sound waves instead of ionizing radiation. There are no side effects. Ultrasound can give us two-dimensional, and in some applications three-dimensional, images of structures and organs in virtually any part of the body. In addition to diagnostic uses, such as evaluating abnormalities in the abdomen, pelvis, and breast, ultrasounds are commonly used to guide needle and catheter placement in a variety of surgical ...Read more
With a normal pregnancy, all ultrasounds including ones in the 1st trimester showed LMP 10/15/12. Could conception have occurred after 11/7/12?
Pregnancy sono: If the ultrasounds were done in the first trimester and all confirm the 10/15/12 lmp, then there is little chance that conception occurred after 11/7/12. The first trimester ultrasound is usually sensitive to +/- 3 days. ...Read more
If pregnancy is dated by ultrasound and dated the baby by crl at 12 weeks, do I go back 10 weeks from the scan date to figure out conception?
Is it possible for ultrasound in pregnancy to give inaccurate dates? I think if further along by 3 wks, 1st trimester
Not 1st trimester: A professionally done first trimester ultrasound is accurate to +/- around 3 days, so there is no way to 'mistake' dates by 3 weeks. Ultrasound by a non-qualified individual could be off by this amount I suppose, otherwise they are extremely accurate. ...Read more
Will my baby survive if my wife gave birth after 12 weeks of pregnancy? My wife has been stressed and gave birth after 12 week weeks of pregnancy can my baby survive?
Fake question,right?: If your wife had delivered at 12 wks you would already know the outcome.They all die within hours if they have a heartbeat at this gestation.If she delivered in a hospital capable of high level neonatal care, she would need to make it to 22-23 weeks for any possibility of survival and even then, less than 10% make it. ...Read moreSee 1 more doctor answer
On the internet ive read that digital home pregnancy tests may not work during 8-12 weeks of pregnancy.. is this true??
No: Follow the instructions for the test carefully. If you have doubt, ultrasound examination would be warranted. ...Read more
I would like to know how high the concentration of hcg-shot/injection has to be (i.U.) during the first 12 weeks of pregnancy and how often?
?: Hcg is given before you get pregnanct, not after. ...Read more
When your due date arrives, you will be more than ready to have your baby! Most women deliver the baby somewhere between 37 and 42 weeks. According to the American College of Obstetricians and Gynecologists, only 5% of babies arrive on the exact due date. Approximately 7% of babies are not delivered by 42 weeks, and when that happens, it is referred to ...Read more
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