A growing trend among pregnant woman is to have an ultrasound party with their family and friends. It allows them to have a sneak peak of the baby while some are using them to do a gender reveal party. There is some controversy over the idea, worries that the baby could have a problem:
Sills points out that ultrasounds have traditionally been used to diagnose chromosomal disorders, malformations, and to aid in estimating fetal weight or the amount of amniotic fluid -- not for entertainment value.
“Revealing gender has never been a reason to do an ultrasound," she said.
You can read the complete article at: http://www.today.com/moms/ultrasound-parties-new-frontier-pregnancy-oversharing-1C7753058
The ultrasounds are done by techs, but not at a doctor's office. They recommend that you have your standard ultrasound at your ob/gyn's beforehand, and will not do any type of diagnosis. According to the article though, that's not to say that they wouldn't strongly recommend that you see your doctor immediately.
I'm not sure how I feel about them, the ultrasound always seems like a private, special time and I'd be afraid that so many people would be awkward. Would this be something you would consider doing?