It is highly unlikely for a virgin girl to test positive for pregnancy. Pregnancy can only occur if there is fertilization of an egg by sperm, and in the case of a virgin girl, there has not been any sexual intercourse, meaning there has not been an opportunity for fertilization to occur. However, in rare cases, a condition called a "pseudocyesis" can occur, in which a woman may experience symptoms of pregnancy, such as a missed period and a positive pregnancy test, but is not actually pregnant. This is usually due to a psychological condition and requires treatment from a mental health professional.