From: Internal vaginal douching increases the incidence of vaginal infection among IUD users: a cross-sectional study
IVD
(n = 302)
NIVD
p-value
Before IUD insertion
260 (86.1%)
151 (43.70%)
P < 0.001*
After IUD insertion
275 (90.39%)
115 (38.1%)
P-value
P = 0.268
P = 0.759n