1. Parenting

Finding Out the Sex of Your Baby

By , About.com Guide

3 of 7

The Hamburger Sign (Girl)
It's a girl!  Twin B - 18 Week Ultrasound

18 Week Baby Girl

Photo © M. Horn
When doing an ultrasound to determine the sex of your baby, an ultrasound technician will actually look for girl genitalia - labia and clitoris. When these are seen it is often referred to as the "Hamburger Sign" because the clitoris between the labial lips looks hamburger-like. Where the labia would be the buns of the hamburger and the clitoris would be the meat.

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