In a late-pregnancy trauma case, which of the following is most likely in terms of obstetric emergency?

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Multiple Choice

In a late-pregnancy trauma case, which of the following is most likely in terms of obstetric emergency?

In late pregnancy, blunt trauma most often causes placental abruption, where the placenta detaches from the uterine wall. This detachment can rapidly cut off oxygen and nutrients to the fetus and provoke heavy maternal bleeding, so it’s the obstetric emergency clinicians worry about after trauma in the third trimester. The situation demands immediate maternal-fetal assessment and often rapid delivery if there are signs of distress or significant hemorrhage. Ectopic pregnancy is a problem of early pregnancy, not the late stage. Uterine rupture can occur, especially with a prior uterine scar, but after trauma in late pregnancy the likelihood is lower than that of placental abruption. Ovarian torsion isn’t driven by trauma in late pregnancy and presents with sudden localized abdominal pain rather than placental separation.

In late pregnancy, blunt trauma most often causes placental abruption, where the placenta detaches from the uterine wall. This detachment can rapidly cut off oxygen and nutrients to the fetus and provoke heavy maternal bleeding, so it’s the obstetric emergency clinicians worry about after trauma in the third trimester. The situation demands immediate maternal-fetal assessment and often rapid delivery if there are signs of distress or significant hemorrhage.

Ectopic pregnancy is a problem of early pregnancy, not the late stage. Uterine rupture can occur, especially with a prior uterine scar, but after trauma in late pregnancy the likelihood is lower than that of placental abruption. Ovarian torsion isn’t driven by trauma in late pregnancy and presents with sudden localized abdominal pain rather than placental separation.

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