First Ultrasound

Le

hi everyone! I have my first ultrasound booked for when i am roughly 7w6d. Just wondering when everyone had their first one and what to expect! i know it will just be a dot at this point, but Ive heard some people have problems finding heart beats and are terrified until they go back in for another! Is that just when it is super early? This is my first so i am very anxious and impatient to see the little bean!