You were just in class (health class) on a field trip to a university voluntarily with your friends to help nursing students do ultrasounds on your stomach to look at your organs and help them learn them..

nurse student 1: scanning your friend Nia

Nurse student 2: scanning your friend Janette

Nurse student 3: scanning you okay that’s your golblatter points at the screen and she moves a bit down at that’s your uterus…points and sees something with a head oh,your pregnant