Many of us chose to have a sonogram of our baby to not only see how well he or she is doing but also to see if we can't have a peek at whether our baby will be a he or a she. Regist Many of us chose to have a sonogram of our baby to not only see how well he or she is doing but also to see if we can't have a peek at whether our baby will be a he or a she. Registered Diagnostic Medical Sonographer Maureen Mc Gee Karchner, MBA, RDMS, tells us.
Your question How accurate can you be when telling the baby's gender by ultrasound?
For example, if you are overweight and the baby isn't opening its legs very wide, it may be impossible to accurately determine the gender.
The gender is determined by seeing either male or female genitalia.
When targetted ultrasound examination is performed by skilled ultrasonographers to detect malformations suspected on the basis of the history or the screening ultrasonogram, the sensitivity and specificity of this procedure are greater than 90 percent." (NEJM, 1/14/93, Prenatal Diagnosis) It is estimated that ultrasound can detect 81% of ectopic pregnancies (Brit Journal of Obst and Gyn, Dec 1988, Vol 95, pp 1253-1256). a high AFP result concentrates the mind of the ultrasonographer and they look for and often spot smaller neural tube defects.
She just had a sonogram (she's a high risk case) and doctor told her that conception date was either Feb. She was with her (now) ex bf the day before her last period (which was the last day they were together...
The best time to determine gender is around 20 weeks gestation.
By 20 weeks the fetus is big enough to see the anatomy clearly, yet small enough to move around within the uterus to allow a clear view between the legs.
The expert answers The person doing your ultrasound is the only person who can accurately answer this question specifically for you.
However, it should be very accurate (close to 100 percent).