Family Code, Art. 46

Any of the following circumstances shall constitute fraud referred to in Number 3 of the preceding Article: (1) Non-disclosure of a previous conviction by final judgment of the other party of a crime involving moral turpitude; (2) Concealment by the wife of the fact that at the time of the marriage, she was pregnant by a man other than her husband; (3) Concealment of sexually transmissible disease, regardless of its nature, existing at the time of the marriage; or (4) Concealment of drug addiction, habitual alcoholism or homosexuality or lesbianism existing at the time of the marriage. No other misrepresentation or deceit as to character, health, rank, fortune or chastity shall constitute such fraud as will give grounds for action for the annulment of marriage. (86a)