Going 2 wait as long as I can for u/s

Dee • DD2 born 5/18/15 @ 7:30am, 6ibs 13oz, 20in
I've been reading so much lately, and I'm kindna freaking out...that a vaginal ultrasound can lead to a miscarriage, so I'm going to wait til week 12 for an abdominal ultrasound.
​Anyone here against ultrasounds?