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It had previously been thought that women who used OCs were at risk of developing subsequent irregular menses or amenorrhea. However, data suggest that the incidence and endocrinologic findings in women with amenorrhea occurring after the use of cyclic OC regimens are the same as in women with spontaneous amenorrhea. This appears to be true for continuous pill regimens, as well, as illustrated in a report of 187 women using the continuous pill for one year. After stopping the pill, the median time to return to menses was 32 days, and spontaneous menses or pregnancy occurred at day ≤90 in 185 of 187 women (98.9 percent).
Thus, women who do not menstruate three months after discontinuing an OC should undergo the same evaluation for amenorrhea as any woman with amenorrhea.
Do you want to have period every month? It doesn't matter you have a period every month. Some women don't have periods at all if possible.