Maternal vitals and labs in pregnancy

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Vitals[1]

Nonpregnat 1st Trimester 2nd Trimester 3rd Trimester
HR 70 78 82 85
SBP 115 112 112 114
DBP 70 60 63 70
Hcrt 40 36 33 34
WBC 7.2k 9.1k 9.7k 9.8k
  • TV increases 40% (700 cc)
  • MV increases 40% (10.5 L/min)
  • FRC decreases 25% (1300ml)
  • HR increases 15-20 bpm (75-95 bpm)
  • MAP increases 10 mmHg (80 mmHg)

Labs

  • Increased ESR ~78
  • Decreased PaCO2 ~30
  • ECG with Qs in III & aVF, L axis
  • Beta-HCG Levels
  • Decreased hematocrit (32-34%)
  • Decreased BUN and creatinine (<0.8mg/dL)
  • GFR increases up to 60% (140ml/min)
  • Decreased Bicarb
  • Increased WBC count (5k-15k)
  • Decreased PLTs
  • Increased D-dimer and Fibrinogen

See Also

References

  1. Kuklina EV, Ayala C, Callaghan WM. Hypertensive disorders and severe obstetric morbidity in the United States. Obstet Gynecol 2009; 113:1299-1306.