“… oxytocin … M significantly reduced motility index (estimate [standard error]: −0.771 [0.270] square root units, P = 0.005 and −0.697 [0.293], P = 0.….241 [2.189], P = 0.05, respectively) compared with control group, whereas pretreatment with oxytocin 10−10 M did not significantly attenuate contractions.”