All of them. There is no medical need to have a period. While taking the pill the lining of the uterus stops building up the way it does without BCP. The bleeding every month is actually withdrawal bleeding in response to hormones dropping when the pill is stopped for a few days.
There's no limit to how many you can skip; however, if you do it often, you may be more likely to experience unscheduled bleeding or spotting.
There is no limit, medically, to the number of periods you may safely skip while on the Birth Control pill.
You shouldn't be taking birth control if you're not prescribed it. Birth control pills don't stop periods, they stop pregnancy.
A woman's menstrual periods are regular and usually lighter when she is taking oral contraceptives
There are no known food-birth control pill interactions, neither for birth control nor menstrual control use.
A couple of months.
It's possible that breakthrough bleeding could occur as result of taking birth control pills.
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the birth control is probably it.
Women can take the birth control pills continuously without a break to skip the periods.
It is normal to have light periods or no period at all while birth control.
It can. It depends on what type you are taking. Some BC is designed to give shorter, lighter periods.
If he is taking female birth control pills forget him. They contain hormones and he is not taking them for birth control.
Birth control pills/patches can really do a number on your hormones so it's quite common for your periods to be all over the place (especially when you first start taking them or you stop them.)