Provided is a fertility device configured to be placed into a subject's vagina after intercourse, the fertility device comprising: a vaginal portion, the vaginal portion comprising: a proximal end； a distal end opposite the proximal end along a longitudinal axis； and a middle portion between the proximal and the distal end； and a lead operatively coupled to the proximal end, wherein: when at least part of the middle portion is placed into a subject's vagina, the lead remains partially outside the vagina, and the vaginal portion impedes leakage of sperm.
