Yes it does. It takes a month or two before your cycle becomes normal again. If you had PMS before taking the pill it returns and your period may seem heavy for a time.
If your on birth control you don't actually get a period its actually withdrawal bleeding which looks the same as a period. Sex wont effect this cycle.
Your period will come naturally. Birth control does not help you get your period. Your body decides when you will get your period.
It is probably a side effect of the BCP. Just keep on taking them as ordered.
Eating does not effect your birth control.
Yes it is a side effect of the pills suppressing ovulation - many woman have no period while taking the pill.
Continue taking your birth control pills as scheduled.
Yes
Most women will have their period within a week or two of stopping birth control pills, and may be fertile from the first day they stop taking it. If you have stopped taking birth control and have not had your regular period as expected, you need a pregnancy test to be sure whether you are pregnant or not.
You should continue taking the birth control pill daily as scheduled regardless of bleeding.
In the first three months of using hormonal birth control, a woman may have irregular bleeding. This side effect improves with time.
Yes, it is possible for your period to be late or stop completely from any hormonal birth control.
If you get your period while on birth control, you should continue using your birth control as scheduled. Bleeding does not change the schedule for taking your pill or changing your patch or ring.