Whether your GP or gynaecologist has ordered a pelvic scan for you, you may have googled later and wondered what exactly the difference is between pelvic ultrasound vs transvaginal ultrasound and which one you should have had. After all, they both sounded icky to you. The quick answer is that they are both pelvic ultrasounds but the ultrasound scanning  probe is placed differently so they work differently, provide different amounts of detail and are used in different clinical