(a) The victim is subjected to forcible compulsion;
(b) The victim is under 12 years of age; or
(c) The victim is incapable of consent by reason of mental defect, mental incapacitation or physical helplessness.
(2) Unlawful sexual penetration in the first degree is a Class A felony. [1981 c.549 §3; 1989 c.359 §6; 1991 c.386 §2]