Research Article

Pain-Induced Pulsograph Changes in Patients with Primary Dysmenorrhea: A Pilot Study

Figure 3

Pulsograph parameters during systole in 30 PD patients at , , , and . Notes: (a), (b), (c), and (d) were the changes in the time and amplitude of D1, D2, D3, and D4. (e) was the changes in the width of the upper 1/3 () and 1/5 () of the main wave. and , compared with ; , , and , compared with .
(a)
(b)
(c)
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(e)