A 28-year-old primigravida delivers vaginally. The third stage is managed actively with oxytocin 10 IU IM, controlled cord traction, and uterine massage. What is the upper limit of normal blood loss in a vaginal delivery before it is classified as primary PPH?
- A 300 mL
- B 500 mL ✓
- C 750 mL
- D 1000 mL
Correct answer: B. 500 mL
Explanation
Primary PPH is defined as blood loss of 500 mL or more within 24 hours of vaginal delivery. For cesarean section, the threshold is 1000 mL. The 500 mL cutoff for vaginal delivery is the standard definition used by WHO and ACOG.
Reference: Dutta's Textbook of Obstetrics, 9th ed.
High-yield for: NEET PGINI-CETNExTFMGEUSMLEPLABMRCP
Written and medically reviewed by the StethoPrep medical team.