title: Persisting pregnancy of unknown location--keep your eyes peeled for choriocarcinoma.
authors: Jens
authors: J
authors: Einenkel
authors: Romy
authors: R
authors: Handzel
authors: Lars-Christian
authors: LC
authors: Horn
mesh_terms: D002822:Choriocarcinoma / Q000473:pathology*; D006063:Chorionic Gonadotropin / Q000097:blood*; D002830:Choroid Neoplasms / Q000556:secondary*; D005260:Female; D006801:Humans; D009382:Neoplasms, Unknown Primary / Q000473:pathology*; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000175:diagnosis*
chemical_list: D006063:Chorionic Gonadotropin