Eureka is a city in McPherson County, South Dakota, United States. The population was 868 at the 2010 census. Eureka is located at 45Â°46â²9â³N 99Â°37â²19â³W / 45.76917Â°N 99.62194Â°W / 45.76917; -99.62194 (45.769069, -99.621953).
Placental abruption (also known as abruptio placentae) is a complication of pregnancy, wherein the placental lining has separated from the uterus of the mother prior to delivery.
Placental Abruption: Abruptio Placentae. Placental abruption is the separation of the placenta from the uterine lining. This condition usually occurs in the third trimester but can occur any time after the 20th week of pregnancy.