Women in the control group had higher total leukocyte , neutrophil and lymphocyte counts in comparison to the intervention group at the 6-month follow-up ( P 0.05 ) , whereas there was no difference in NK cell counts ( P = 0.46 ) , NK cell cytotoxicity ( P = 0.85 ) or lymphocyte proliferation responses ( P = 0.11 ) between the two groups .