Maternal vitals and labs in pregnancy
Normal Vitals in Pregnancy[1]
Vital | Nonpregnant | 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 |
Physiologic Changes in Pregnancy[2]
- Heart rate (HR) increases 15-20 bpm (75-95 bpm)
- Mean arterial pressure (MAP) increases 10 mmHg (80 mmHg)
- Tidal volume (TV) increases 40% (700 cc)
- Minute volume (MV) increases 40% (10.5 L/min)
- Functional residual capacity (FRC) decreases 25% (1300ml)
Maternal Laboratory Changes in Pregnancy[3]
- CBC
- Increased WBC count (5k-15k)
- Decreased hematocrit (32-34%) due to increased plasma volume
- Decreased platelets
- Chemistry
- Decreased BUN and creatinine (<0.8mg/dL)
- GFR increases up to 60% (140ml/min)
- Decreased Bicarb
- Other
- Increased D-dimer and Fibrinogen
- Increased ESR ~78
- Decreased PaCO2 ~30
- ECG with Qs in III & aVF, left axis
- Beta-HCG Levels
See Also
References
- ↑ Kuklina EV, Ayala C, Callaghan WM. Hypertensive disorders and severe obstetric morbidity in the United States. Obstet Gynecol 2009; 113:1299-1306.
- ↑ Kuklina EV, Ayala C, Callaghan WM. Hypertensive disorders and severe obstetric morbidity in the United States. Obstet Gynecol 2009; 113:1299-1306.
- ↑ Kuklina EV, Ayala C, Callaghan WM. Hypertensive disorders and severe obstetric morbidity in the United States. Obstet Gynecol 2009; 113:1299-1306.