From: In vivo assessment of number of milk duct orifices in lactating women and association with parameters in the mother and the infant
Yes
No
p
Primipara
7.1 ± 2.7
8.5 ± 3.0
0.022
Pain
7.1 ± 3.0
7.8 ± 2.9
N.s.
Use of breast pump
7.9 ± 2.9
7.5 ± 2.9