Question
Blood volume increases during preg-nancy above nonpregnant level at 30-34 weeks
The correct answer is
by 40-50 per cent
Pregnancy Blood Volume Increase at 30-34 Weeks
During pregnancy, a significant increase in maternal blood volume occurs to meet the demands of the growing fetus and placenta, as well as to prepare for blood loss during delivery.
This physiological adaptation is crucial for maintaining adequate circulation and oxygen delivery. Studies show that by the third trimester, specifically around the 30-34 weeks of gestation mark, the total blood volume can expand substantially.
The expected increase in blood volume during this period is typically between 40% to 50% above the non-pregnant baseline.
Key points:
- Purpose: Supports fetal growth, placental function, and compensates for delivery blood loss.
- Timing: Significant increase observed, peaking in the third trimester.
- Magnitude: Approximately a 40-50% increase by 30-34 weeks gestation.
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Important Questions from Pregnancy Care
- The placenta synthesizes all EXCEPT:
- Which one of the following is NOT done as screening test in pregnancy?
- Ideal weight gain during pregnancy for a woman with normal BMI should be
- Which one of the following statements regarding fetal well being is NOT correct?
- Which of the following statements are correct with respect to antenatal USG examination ?
1. It helps in detecting gross fetal anomalies
2. It helps in identifying multiple pregnancies
3. It helps in identifying viable pregnancy
4. Best dating is possible with third trimester ultrasound scan
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