TY - CHAP M1 - Book, Section TI - Transvaginal Sonography of Early (First Trimester) Intrauterine Pregnancy A1 - Fleischer, Arthur C. A1 - Rebele, Erin A2 - Fleischer, Arthur C. A2 - Abramowicz, Jacques S. A2 - Gonçalves, Luis F. A2 - Manning, Frank A. A2 - Monteagudo, Ana A2 - Timor, Ilan E. A2 - Toy, Eugene C. PY - 2017 T2 - Fleischer's Sonography in Obstetrics and Gynecology: Textbook and Teaching Cases, 8e AB - Key TermsEmbryo: conceptus during early (8 weeks).Subchorionic hemorrhage: bleeding beneath the chorion.Threatened abortion: characterized clinically by bleeding and cramping.“Implantation” bleeding: spotting associated with implantation (3-5 weeks).Incomplete abortion: bleeding, cramping with retained products of conception (RPOC) (fetus, choriodecidua, and membranes).Spontaneous abortion: bleeding associated with miscarriage (not induced or therapeutic Ab).Induced or therapeutic miscarriage or abortion: intentional use of medication and/or instrumentation to induce miscarriage.Ectopic pregnancy: implantation outside of endometrial lumen.Retained products of conception (RPOC): residual choriodecidua or embryo/fetal tissue within the uterine cavity after threatened, spontaneous, induced miscarriage, or pregnancy. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/04/18 UR - obgyn.mhmedical.com/content.aspx?aid=1151030983 ER -