Score 6 of Russet’s index is?
**Core Concept**
Russet's index is a measure used in obstetrics to assess the risk of postpartum hemorrhage (PPH) in a patient. It takes into account the patient's parity (number of previous deliveries) and the presence of any previous uterine scars, such as cesarean sections or uterine surgery. A higher score on Russet's index indicates a higher risk of PPH.
**Why the Correct Answer is Right**
The Russet's index is calculated as follows: 1 point for each previous vaginal delivery, 2 points for each previous cesarean section, and 3 points for any other uterine scars. A score of 6 is considered high risk, indicating a patient who is at increased risk of experiencing a postpartum hemorrhage. This is because previous uterine scars can cause the uterus to become less efficient at contracting down after delivery, leading to excessive bleeding.
**Why Each Wrong Option is Incorrect**
**Option A:** Incorrect because a score of 6 is higher than the maximum possible score, which would be 5 points (1 point for each previous vaginal delivery and 2 points for one previous cesarean section).
**Option B:** Incorrect because a score of 6 does not correspond to any specific combination of parity and uterine scars.
**Option C:** Incorrect because a score of 6 is not a valid option for Russet's index.
**Clinical Pearl / High-Yield Fact**
Remember that a high score on Russet's index indicates a patient who is at increased risk of postpartum hemorrhage, and therefore may require closer monitoring and intervention during labor and delivery.
**Correct Answer: C. 6**