2007-06-25 04:41:31 · 4 answers · asked by Anonymous in Health ➔ Women's Health
it depends on what pill you are on. some of them let you have only 4 periods a year, some are still monthly.
The first 21 pills have a combination of synthetic estrogen and progesterone hormones. The Pill stops ovulation, preventing the ovaries from releasing eggs. The Pill also thickens cervical mucus, making it harder for sperm to enter the uterus. The hormones in the Pill prevent fertilization. The last 7 pills of a 28-day pack have no hormones and are called spacer pills.
2007-06-25 04:53:34 · answer #1 · answered by megskathy 4 · 0⤊ 0⤋
The horomones in birth control stop the uterus from making the lining, thus preventing bleeding.
2007-06-25 12:16:50 · answer #2 · answered by catsmeowjrk2000 6 · 0⤊ 0⤋
because when you have your period, your able to get pregnant. your period gets rid of old blood in your body but also to help move the unfertilized egg. if it doesn't get fertilized, it will simply go with the old blood. so birth control has to stop your period.
2007-06-25 11:48:46 · answer #3 · answered by Anonymous · 0⤊ 0⤋
because birth control makes your body thinks you're pregnant
2007-06-25 11:45:22 · answer #4 · answered by ? 4 · 0⤊ 0⤋