3 Women

There are three women , the first one goes to the doctor for a checkup and takes her shirt off. The doctor notices an imprint of an H on her chest and says " Why is there an H on your chest?" and the girl says, "becasue my boyfriend goes to Harvard and he likes to wear his sweater when we have sex. So then the second girl comes up and takes her shirt off and she has an imprint of a Y on her chest, so the doctor says " Why do you have an imprint of a Y on your chest?" and she says "because my boyfriend goes to Yale and he likes to wear his sweater when we have sex. So then the last girl comes up and takes her shirt off and the doctor says " you have an imprint of a M on your chest, Let me guess, your bofriend goes to Michigan?" And she says "no,but my girlfriend goes to Wisconsin