More precisely, the particle is a quantized manifestation of a field (the Higgs field) that generates mass through its interaction with other particles.
1 When you stop taking it, you will get your period within 2 to 3 days. 2  However, this is not 100% effective. 3  Women have reported bleeding or spotting while taking progestogen pills. 4  There are now contraceptive shots and even contraceptive implants that stop your period altogether for months in a row. There are in fact contraceptive pills made specifically to stop your period. 2  They are called extended-cycle pills. 3  You would normally take these continuously for three to six months, and then take placebos for a week during which you would get your period.
Vomiting and diarrhea may also keep the pill from working. Ask your health care provider for advice. Use a backup method of birth control â like a condom, female condom, diaphragm, sponge, or emergency contraception (morning after pill) â until you find out you donât need to.ome combination pills contain a few monthsâ worth of active pills. They are specially packaged to reduce the number of periods a woman has each year. Women can also take the active pills in 21-day or 28-day packs continuously to reduce how often they have periods. Progestin-only pills come only in 28-day packs.