While taking these pills, you should have your period. If you skip the placebo pills and go straight into the next pack, you will probably miss your period.
[header] How to know if menstrual periods have stopped [title] Evaluate the contraceptives you're taking. [step] If you missed a period while on birth control pills, your period may be irregular or absent longterm depending on how you use the medication and your body's reaction to it. [substeps] Oral contraceptives typically come in 21 day packs with 7 days worth of inactive placebo pills.