In a prosecution for rape, abduction, seduction, pandering, receiving earnings of a prostitute, transporting a female for immoral purposes, forcing a woman to marry, defiling a woman, inveigling or enticing a female into a house of ill-fame or to have illicit carnal relation with a man, the female concerned in the offense is a competent witness to testify to any and all matters, including conversations with the accused, or by him with third persons in her presence, notwithstanding her having married the accused either before or after the commission of the offense charged.