Definition of Placenta previa

1. Noun. Pregnancy in which the placenta is implanted in the lower part of the uterus (instead of the upper part); can cause bleeding late in pregnancy; delivery by cesarean section may be necessary.

Generic synonyms: Gestation, Maternity, Pregnancy

Medical Definition of Placenta previa

1. The anatomic positioning of the placenta over the cervical os (opening to the birth canal). This is an important cause of painless third trimester bleeding in the pregnant female. Many cases of placenta previa will require cesarean section delivery. (31 Dec 1997)

Placenta Previa Pictures

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Lexicographical Neighbors of Placenta Previa

placenta circumvallata
placenta diffusa
placenta dimidiata
placenta duplex
placenta extrachorales
placenta fenestrata
placenta gonadotropin
placenta increta
placenta marginata
placenta membranacea
placenta multiloba
placenta multipartita
placenta panduraformis
placenta percreta
placenta praevia
placenta previa (current term)
placenta previa centralis
placenta previa marginalis
placenta previa partialis
placenta protein
placenta reflexa
placenta reniformis
placenta spuria
placenta triloba
placenta tripartita
placenta triplex
placenta uterina
placenta velamentosa

Literary usage of Placenta previa

Below you will find example usage of this term as found in modern and/or classical literature:

1. Annual Report (1907)
"Abnormal cases : Still births 7 Abortions lo Miscarriages • 4 Premature births 6 Incomplete abortions 3 placenta previa 5 Twins (cases) 2 Retained placenta ..."

2. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1916)
"In placenta previa the use of elastic bags is a routine treatment at the Sloane ... The mortality in uncomplicated placenta previa for the mother was 4 per ..."

3. Principles and practice of obstetrics by Joseph Bolivar De Lee (1918)
"CHAPTER XXXIV placenta previa PLACENTA praevia is the development of the placenta in part or wholly within the zone of dilatation of the uterus. ..."

4. Progressive Medicine by Hobart Amory Hare (1907)
"In other hospitals, placenta previa is said to occur in greatly different ratio, from 1 in 58 to ... Multipart are more subject to central placenta previa. ..."

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