This month I'm skipping my period because of homecoming. I've asked my mom and my doctor and a nurse friend and they say it's safe to do. Since my new pack obviously won't start on the same day since I'm skipping 4 pills (instead of me usually starting on a Wednesday and going through Saturday), my cycle has changed a bit. I'm wondering if it's safe to gradually shift my periods so I'll never get it on Friday-Saturday.

It would take 4 shifts to do (including the one I'm doing right now for homecoming) and I wouldn't skip them all at once.

Is this safe to "shift" my period like this?
Should I skip every other month (1 normal, 1 skip) or every other, other month (2 normal, 1 skip) or something more spread out than either?