Table 2.

Postural Orthostatic Tachycardia Syndrome (POTS) Symptoms during and after pregnancy, and with subsequent pregnancies, compared to POTS symptoms pre-pregnancy.

Time Frame	Improved POTS Symptoms (%)	Same POTS Symptoms (%)	Worse POTS Symptoms (%)
First Trimester (T1) (total n=1,606)	20.0	17.3	62.6
Second Trimester (T2) (total n = 1,511)	34.8	17.0	48.2
Third Trimester (T3) (total n = 1,518)	26.4	14.7	58.9
Post-Pregnancy (total n = 1,636)	24.8	16.5	58.7
Subsequent Pregnancies (total n = 1,065)	12.0	35.4	52.6