How to postpone your period.
(see below related link "How postpone period").
Often girls and women asking for changing dates of their periods because of swimming parties, summer holidays, diving,...
A delay is a "push back" on the set time. When a school gets a delay, they "push back" the time that they had originally chosen due to whether or other possibly dangerous things. Hope this helps(:
This is known as a "filibuster". This process is used to make infinite debate about useless topics so as to prevent a bill from being passed. This has had its successes in the past.