Normal Vital Signs in Pregnancy

perinatology.com
Reference Values During Pregnancy

Home > Reference > Reference Values > Vital Signs

Normal Vital Signs in Pregnancy

Vital Sign	Nonpregnant Adult	First Trimester	Second Trimester	Third Trimester
Systolic Blood Pressure mmHg	90 to 120	94.8 to 137.6	95.6 to 136.4	101.6 to143.5
Diastolic Blood Pressure mmHg	60 to 80	55.5 to 86.9	56.8 to 87.1	62.4 to 94.7
Heart Rate Beats Per Minute	60 to 100	63.1 to 105.2	67.4 to 112.5	64.5 to 113.8
Respiratory Rate Breaths Per Minute	12 to 20	8 to 24	8 to 24	8 to 24
Oxygen saturation SpO2 (%)	95 to 100	94.3 to 99.4	92.9 to 99.3	93.4 to 98.5
Temperature °Celsius	36.5 to 37.3	35.55 to 37.51	35.35 to 37.37	35.37 to 37.35
° Fahrenheit	97.8 to 99.1	95.99 to 99.52	95.63 to 99.27	95.67 to 99.23

References:

Green LJ, et. al,Gestation-Specific Vital Sign Reference Ranges in Pregnancy.

Obstet Gynecol. 2020 Mar;135(3):653-664. PMID: 32028507