A 32-week pregnant woman presents with bright red vaginal bleeding that started as spotting and is not painful. Which condition is most likely?

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Multiple Choice

A 32-week pregnant woman presents with bright red vaginal bleeding that started as spotting and is not painful. Which condition is most likely?

Painless, bright red vaginal bleeding in the late second or third trimester points to placenta previa. When the placenta implants low, near or over the cervical os, bleeding can occur spontaneously without contractions or pain because the uterus isn’t actively contracting to expel the placenta. In contrast, ectopic pregnancy typically presents earlier in pregnancy with abdominal pain and bleeding, not at 32 weeks. Abruptio placentae usually causes painful bleeding with a tender, firm uterus and abdominal pain. Uterine rupture presents with sudden, severe pain, fetal distress, and often a loss of fetal station or maternal instability, usually in labor or with a prior uterine scar. So the scenario fits placenta previa best: late-pregnancy, painless, bright red bleeding. Diagnosis is usually via ultrasound to locate the placenta, and management focuses on maternal-fetal monitoring and planning for delivery, often by cesarean if placenta previa persists or bleeding recurs.

Painless, bright red vaginal bleeding in the late second or third trimester points to placenta previa. When the placenta implants low, near or over the cervical os, bleeding can occur spontaneously without contractions or pain because the uterus isn’t actively contracting to expel the placenta.

In contrast, ectopic pregnancy typically presents earlier in pregnancy with abdominal pain and bleeding, not at 32 weeks. Abruptio placentae usually causes painful bleeding with a tender, firm uterus and abdominal pain. Uterine rupture presents with sudden, severe pain, fetal distress, and often a loss of fetal station or maternal instability, usually in labor or with a prior uterine scar.

So the scenario fits placenta previa best: late-pregnancy, painless, bright red bleeding. Diagnosis is usually via ultrasound to locate the placenta, and management focuses on maternal-fetal monitoring and planning for delivery, often by cesarean if placenta previa persists or bleeding recurs.

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