When you are surrounded by a new group of females who you interact with often enough your period becomes contagious in the group of said females. You get your period and it is quickly spread throughout the group, at such a magnitude everyone’s periods begin getting effected-usually appearing sooner than expected.
Period plague in the all girls office-I’m here all of the time, & I’ve had my period for 12 out of the 14 weeks I’ve been here.