Coughing blood
About 5% of the endometriosis patient suffer from the blood in their cough, which indicates internal bleeding. Although the cases of coughing blood symptoms are very rare, it happens in severe cases. The women cough blood during their menstruation leading to the condition known as catamenial hemoptysis. Coughing of blood also indicates that the person is developing lung nodules due to endometriosis, which causes blood in the cough.