endometriosis or ectopic pregnancy

Pick either endometriosis or ectopic pregnancy 

Discuss Etiology, Epidemiology, Pathophysiology, Clinical Manifestations, Work-up, Nonpharmacological and Pharmacological management, Education,and Follow-up for a gynecology or pregnancy diagnosis or consideration. 

500 words or less for post.  

Only evidence-based sources, such as AAFP, CDC, IDSA, ADA, JNC 8 etc. (textbook resources and internet sites affiliated with medical associations are considered credible sources to obtain the information on the most up to date guidelines).