Between 18 and 22 weeks, you'll get a detailed anatomy scan, called a level 2 ultrasound. Though sometimes called "gender ultrasounds," anatomy scans aren't solely to determine your baby's sex.

The main reason your second scan is done between 18 and 21 weeks is to check for physical abnormalities in your baby, but you can also ask the sonographer to check if it's a boy or girl.

That’s when parents usually find out if they’re having a boy or girl. But parents should know there’s far more to the 20-week ultrasound than the helping them decide the color of the gender ...