The time for withdrawal bleeding after taking birth control pills varies from person to person, usually between 3 to 7 days, or it may not occur.
Withdrawal bleeding occurs when the level of estrogen and progesterone in the body increases after taking oral contraceptives, causing the endometrium to thicken, and when the pill is stopped for 3 to 7 days the endometrium sheds due to loss of hormonal support, resulting in vaginal bleeding. Withdrawal bleeding and the performance of menstruation is almost the same, in the withdrawal bleeding period is also to avoid coitus.
Do not take birth control pills on your own to cause withdrawal bleeding, under the guidance of a doctor to use medication, at the same time, it should be noted that some women do not have withdrawal bleeding, at this time there may be uterine amenorrhea, we should consult a doctor to find out the cause.