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Which one of the following is the major cause of postpartum haemorrhage?

Which one of the following is the major cause of postpartum haemorrhage? Correct Answer Atonic Uterus

Concept:-

Postpartum hemorrhage PPH:

  • It is excessive blood loss after delivery sufficient to affect the general condition of the mother as shown by tachycardia and hypotension.
  • The traditional definition, based on a bloodless ≥ 500ml from or within the reproductive tract after delivery, is difficult to estimate in clinical practice.
  • Late or secondary post-partum hemorrhage takes place up to 12 weeks after the delivery.
  • The major cause of the PPH is the atonic uterus followed by the retained placenta, uterine rupture, any blood condition, and infection.

Causes of PPH:

  • The atonic uterus is the main cause of PPH
  • Genital tract trauma
  • Third stage complications
  • Coagulation disorders

Explanation:

Atonic uterus:

  • Is the failure of myometrium at the placental site to contract and retract and compress torn blood vessels and control blood loss by living ligature action.

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