During 1st stage of labour, FHR should be auscultated in low risk pregnancy every:
**Core Concept**
The first stage of labor is characterized by the onset of uterine contractions and cervical dilatation, requiring continuous fetal heart rate (FHR) monitoring to assess fetal well-being. In low-risk pregnancies, intermittent auscultation is recommended during this stage to balance the need for fetal surveillance with the risk of unnecessary interventions.
**Why the Correct Answer is Right**
The American College of Obstetricians and Gynecologists (ACOG) recommends intermittent auscultation of FHR every 15 minutes in low-risk pregnancies during the first stage of labor. This approach allows for adequate fetal monitoring while minimizing the risk of unnecessary interventions. The decision to perform continuous electronic fetal monitoring (EFM) is typically reserved for high-risk pregnancies or when there are concerns about fetal well-being.
**Why Each Wrong Option is Incorrect**
**Option A:** Incorrect because continuous EFM is typically reserved for high-risk pregnancies or when there are concerns about fetal well-being.
**Option B:** Incorrect because intermittent auscultation is not recommended every 5 minutes, as this would be excessive and unnecessary.
**Option C:** Incorrect because continuous EFM is not necessary in low-risk pregnancies during the first stage of labor.
**Clinical Pearl / High-Yield Fact**
Remember that intermittent auscultation is a safe and effective approach to fetal surveillance during the first stage of labor in low-risk pregnancies, reducing the risk of unnecessary interventions and promoting a more natural childbirth experience.
**Correct Answer:** C. 30 minutes