 [ Symptoms ] i hurt my shoulder doctor put me on arm sling now doctor says fractured humuras [ Disease ] hi if each pack lasts 28 days then what you were given should in theory last until next aprilmay so how can you be short are you not doing the placebo week this is not good for your body the reason behind this is so your do not keep pushing man made progestin and estrogen into your body your body needs this break if your want to cut down on your period try the seasonale pill going this way it would bring your periods down to 4 a year doing this would be far healthier for your body its control that way do hope this helps you good luck