Leave it in for three weeks, as usual, but don't rely on it for Birth Control until you've used it for seven consecutive days.
you have to leave it in for 2 weeks
Australian schools do have along summer break. The summer break is a minimum of six weeks long and, in many private schools, up to eight weeks long.
2 weeks
The summer break in Missouri lasts for 6 weeks.
2 weeks
2 to 3 weeks.
Six weeks.
6 weeks
It takes a long time, weeks.
2 or 2 1/2 weeks long.
The eggs will simply wrot if you leave it for a long time .By : Goodgirl2000
Ten weeks