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  2. Placenta praevia - Wikipedia

    en.wikipedia.org/wiki/Placenta_praevia

    The following have been identified as risk factors for placenta previa: Previous placenta previa (recurrence rate 4–8%), [13] caesarean delivery, [14] myomectomy [10] or endometrium damage caused by D&C. [13] Women who are younger than 20 are at higher risk and women older than 35 are at increasing risk as they get older.

  3. Placental abruption - Wikipedia

    en.wikipedia.org/wiki/Placental_abruption

    Along with placenta previa and uterine rupture it is one of the most common causes of vaginal bleeding in the later part of pregnancy. [6] Placental abruption is the reason for about 15% of infant deaths around the time of birth. [2] The condition was described at least as early as 1664. [7]

  4. Obstetrical bleeding - Wikipedia

    en.wikipedia.org/wiki/Obstetrical_bleeding

    Besides placenta previa and placental abruption, uterine rupture can occur, which is a very serious condition leading to internal or external bleeding. Bleeding from the fetus is rare, but may occur with two conditions called vasa previa and velamentous umbilical cord insertion where the fetal blood vessels lie near the placental insertion site unprotected by Wharton's jelly of the cord. [11]

  5. Preterm birth - Wikipedia

    en.wikipedia.org/wiki/Preterm_birth

    Preterm birth is the most common cause of death among infants worldwide. [1] ... renal disease, placental previa, hydramnios, placenta abruption, and pregnancy ...

  6. Complications of pregnancy - Wikipedia

    en.wikipedia.org/wiki/Complications_of_pregnancy

    Alcohol: Use during pregnancy can cause fetal alcohol syndrome and fetal alcohol spectrum disorder. [67] Tobacco use: During pregnancy, causes twice the risk of premature rupture of membranes, placental abruption and placenta previa. [68] Also, it increases the odds of the baby being born prematurely by 30%. [69]

  7. Placental disease - Wikipedia

    en.wikipedia.org/wiki/Placental_disease

    These factors are known to be the primary pathophysiology cause placental disease. Which is considered to be associated with more than half of premature births. [4] Abnormalities present within the spiral arteries lead to higher velocities in blood, in turn causes the maternal villi to shred. [5]

  8. Eclampsia - Wikipedia

    en.wikipedia.org/wiki/Eclampsia

    Eclampsia may also cause problems with the placenta. The placenta may bleed ( hemorrhage ) or begin to separate early from the wall of the uterus. [ 28 ] It is normal for the placenta to separate from the uterine wall during delivery, but it is abnormal for it to separate prior to delivery; this condition is called placental abruption and can ...

  9. Antepartum bleeding - Wikipedia

    en.wikipedia.org/wiki/Antepartum_bleeding

    Placental abruption causes blood loss from the mother and loss of oxygen and nutrients to the placenta occasionally leading to preterm labour. [14] Other causes of placental abruption can be abdominal trauma or sudden decompression of amniotic fluid, however it is not uncommon for the cause of placental abruption to be unknown. [15]