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Subchorionic bleeding in threatened abortion: sonographic findings and significance. 1983

S R Goldstein, and B R Subramanyam, and B N Raghavendra, and S C Horii, and S Hilton

Fifty-six patients with clinical threatened abortion were evaluated by sonography. In six patients, fetal cardiac activity was absent at or beyond 9 weeks of gestation, and fetal death was confirmed in all six cases. In the other 50 patients, fetal cardiac activity was present at or beyond 9 weeks of gestation. In 10 (20%) of these 50 patients, subchorionic bleeding was present in various degrees, appearing sonographically as an extrachorionic crescentic anechoic or complex collection. The final outcome in the 50 patients with fetal cardiac activity was as follows: In the absence of subchorionic bleeding, 100% of the pregnancies progressed to term; in the presence of subchorionic bleeding the positive outcome was reduced to 80%. In addition to signs of fetal life on sonography, subchorionic bleeding is an important factor affecting the outcome of gestations in patients with clinical threatened abortion.

UI MeSH Term Description Entries
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D011261 Pregnancy Trimester, First The beginning third of a human PREGNANCY, from the first day of the last normal menstrual period (MENSTRUATION) through the completion of 14 weeks (98 days) of gestation. Early Placental Phase,Pregnancy, First Trimester,Trimester, First,Early Placental Phases,First Pregnancy Trimester,First Pregnancy Trimesters,First Trimester,First Trimester Pregnancies,First Trimester Pregnancy,First Trimesters,Phase, Early Placental,Phases, Early Placental,Placental Phase, Early,Placental Phases, Early,Pregnancies, First Trimester,Pregnancy Trimesters, First,Trimesters, First
D011262 Pregnancy Trimester, Second The middle third of a human PREGNANCY, from the beginning of the 15th through the 28th completed week (99 to 196 days) of gestation. Midtrimester,Pregnancy, Second Trimester,Trimester, Second,Midtrimesters,Pregnancies, Second Trimester,Pregnancy Trimesters, Second,Second Pregnancy Trimester,Second Pregnancy Trimesters,Second Trimester,Second Trimester Pregnancies,Second Trimester Pregnancy,Second Trimesters,Trimesters, Second
D011446 Prospective Studies Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group. Prospective Study,Studies, Prospective,Study, Prospective
D002823 Chorion The outermost extra-embryonic membrane surrounding the developing embryo. In REPTILES and BIRDS, it adheres to the shell and allows exchange of gases between the egg and its environment. In MAMMALS, the chorion evolves into the fetal contribution of the PLACENTA. Chorions
D005260 Female Females
D005313 Fetal Death Death of the developing young in utero. BIRTH of a dead FETUS is STILLBIRTH. Fetal Mummification,Fetal Demise,Death, Fetal,Deaths, Fetal,Demise, Fetal,Fetal Deaths,Mummification, Fetal
D006470 Hemorrhage Bleeding or escape of blood from a vessel. Bleeding,Hemorrhages
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000033 Abortion, Threatened UTERINE BLEEDING from a GESTATION of less than 20 weeks without any CERVICAL DILATATION. It is characterized by vaginal bleeding, lower back discomfort, or midline pelvic cramping and a risk factor for MISCARRIAGE. Threatened Miscarriage,Miscarriage, Threatened,Threatened Abortion,Threatened Abortions,Threatened Miscarriages

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