Is it necessary to inform a suitor about the possibility of endometriosis, and would not informing him be considered deceit and a sin?

The majority of scholars hold that the defects necessitating disclosure and establishing the right to annulment (فسخ) after marriage are those that prevent intercourse or are contagious and repellent diseases. The mentioned illness is not of this type, especially if doctors have denied its presence. Therefore, one should not pay attention to these delusions, and it is advisable to agree to the suitor if he is a man of religion and good character.