Paternal antigen-specific Tregs in the uterine regional lymph nodes and uterus mated with normal mice, seminal vesicle resected mice, and deferens-ligated mice

Sperm Seminal plasma Paternal antigen-specific Tregs
3.5 days pc (one day before implantation) 5.5 days pc (one day after implantation)
Uterine regional lymph nodes Uterus Uterine regional lymph nodes Uterus
Normal mice + +
Seminal vesicle resected mice + -
Deferens-ligated mice - +

pc: post-coitus; ↑: increase; →: no change