You will also be able to hear their little hearts beat. You may even see them jumping around, while they have enough room to anyway.
The best thing is you will most likely be able to see your twins more often and have more ultrasound images to add to your memory book.
You will really be able to see how your twins progress and at about the 18th – 20th week you may be able to determine the sex of your twins.
Ultrasounds are also great to check on the nature of your little babies – take a look at these little thumb suckers on the right – toooo cute!