Definition of placenta praevia in English:

placenta praevia

(US placenta previa)

noun ˈpriːvɪəpləˌsentə ˈprēvēə

mass nounMedicine

A condition in which the placenta partially or wholly blocks the neck of the uterus, so interfering with normal delivery of a baby.
〔医〕前置胎盘
Example sentencesExamples
- As with placental abruption, placenta previa can result in the birth of a premature baby.
- The diagnosis of placenta previa is very common in the second trimester, but more than 95% of these do not have placenta previa at delivery.
- Partway through the pregnancy, however, I developed placenta previa, and my pregnancy became high risk.
- Smoking during pregnancy is associated with low birth weight, premature delivery, placenta previa (a complication that could cause bleeding and become a medical emergency), miscarriage and post-delivery death.
- We sent questionnaires to the 220 clinical tutors of the Royal College of Obstetricians and Gynaecologists in England and Wales to survey the antenatal management of asymptomatic placenta praevia.

Origin

Early 19th century: from placenta and Latin praevia 'going before', feminine of praevius.

Definition of placenta previa in US English:

placenta previa

(British placenta praevia)

nounpləˌsentə ˈprēvēə

Medicine

A condition in which the placenta partially or wholly blocks the neck of the uterus, thus interfering with normal delivery of a baby.
〔医〕前置胎盘
Example sentencesExamples
- Smoking during pregnancy is associated with low birth weight, premature delivery, placenta previa (a complication that could cause bleeding and become a medical emergency), miscarriage and post-delivery death.
- We sent questionnaires to the 220 clinical tutors of the Royal College of Obstetricians and Gynaecologists in England and Wales to survey the antenatal management of asymptomatic placenta praevia.
- As with placental abruption, placenta previa can result in the birth of a premature baby.
- The diagnosis of placenta previa is very common in the second trimester, but more than 95% of these do not have placenta previa at delivery.
- Partway through the pregnancy, however, I developed placenta previa, and my pregnancy became high risk.

Origin

Early 19th century: from placenta and Latin praevia ‘going before’, feminine of praevius.

单词	placenta praevia
释义	Definition of placenta praevia in English: placenta praevia (US placenta previa) noun ˈpriːvɪəpləˌsentə ˈprēvēə mass nounMedicine A condition in which the placenta partially or wholly blocks the neck of the uterus, so interfering with normal delivery of a baby. 〔医〕前置胎盘 Example sentencesExamples As with placental abruption, placenta previa can result in the birth of a premature baby. The diagnosis of placenta previa is very common in the second trimester, but more than 95% of these do not have placenta previa at delivery. Partway through the pregnancy, however, I developed placenta previa, and my pregnancy became high risk. Smoking during pregnancy is associated with low birth weight, premature delivery, placenta previa (a complication that could cause bleeding and become a medical emergency), miscarriage and post-delivery death. We sent questionnaires to the 220 clinical tutors of the Royal College of Obstetricians and Gynaecologists in England and Wales to survey the antenatal management of asymptomatic placenta praevia. Origin Early 19th century: from placenta and Latin praevia 'going before', feminine of praevius. Definition of placenta previa in US English: placenta previa (British placenta praevia) nounpləˌsentə ˈprēvēə Medicine A condition in which the placenta partially or wholly blocks the neck of the uterus, thus interfering with normal delivery of a baby. 〔医〕前置胎盘 Example sentencesExamples Smoking during pregnancy is associated with low birth weight, premature delivery, placenta previa (a complication that could cause bleeding and become a medical emergency), miscarriage and post-delivery death. We sent questionnaires to the 220 clinical tutors of the Royal College of Obstetricians and Gynaecologists in England and Wales to survey the antenatal management of asymptomatic placenta praevia. As with placental abruption, placenta previa can result in the birth of a premature baby. The diagnosis of placenta previa is very common in the second trimester, but more than 95% of these do not have placenta previa at delivery. Partway through the pregnancy, however, I developed placenta previa, and my pregnancy became high risk. Origin Early 19th century: from placenta and Latin praevia ‘going before’, feminine of praevius.
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