Question: This is a 25 year old patient who is admitted with difficulty breathing. she has AIDS and is in the 21st week of pregnancy. Workup shows Pneumocystis carinii pneumonia. What is the principal diagnosis? B20 Human immunodeficiency virus (HIV) disease B59 Pneumocystosis O98.711 Human immunodeficiency virus (HIV) disease complicating pregnancy, first trimester O98.712 Human immunodeficiency virus (HIV) disease complicatiing pregnancy, second trimester Group of answer choices B20 B59 O98.712 O98.711