The stork is finally on its way! Will my baby be a boy or a girl—and when will I find out? Enter the gender reveal ultrasound—a procedure during the second trimester of your pregnancy, typically around weeks 18 to 21. While parents are usually most excited about learning the gender, this ultrasound also provides more information than that. If you’re curious to learn more, take a look at our guide for everything you need to know about the gender reveal ultrasound (and ultrasounds in general).