However, the effect is usually temporary. The two primary hormones present in most types of birth control pill are:. The body produces estrogen and progesterone. During the menstrual cycle, levels fluctuate, and this can cause a change in breast tissue. Estrogen is also the hormone primarily responsible for the development of breasts during puberty. When a person starts taking the birth control pill, their levels of these hormones rise, and this can result in an increase in breast size.
Birth control - Yasmin
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Before you begin using hormonal birth control, make sure you understand how it can affect your body and what side effects you may experience. Birth control pills are the most common form of hormonal contraception used in the United States today. They work to prevent unplanned pregnancy in three ways:. If this egg comes into contact with sperm, you could become pregnant. The hormones found in birth control pills increase the buildup of sticky mucus on your cervix. This buildup makes it harder for sperm to enter the cervix. The lining of your uterus is also altered. After a few months of using the pills, your uterine lining may be so thin that a fertilized egg would have difficulty attaching to it.
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But for many women, one of the most off-putting charges against the contraceptive pill is that it makes us fat. In fact, weight gain is the most commonly reported side effect of the combined pill — the most popular type, which contains both lab-made oestrogen and progesterone. This is why pharmaceutical companies list it on the packet. The researchers found this is true no matter what type of progesterone the combined pill contained for more on the different kinds of pill, check out this article. Other studies that looked at progesterone-only pills similarly have found little evidence of an effect. Maria Gallo, an endocrinologist at Ohio State University who co-authored the review, believes our belief in the pill-weight connection is down to a natural human bias.
Many women worry that if they go on the pill it will change the way their body functions or effect things such skin, weight and chest size. In part two of our pill answering session we're going to answer questions on the effects the pill has on the body. With the help of Rebecca Findlay from the Family Planning Association a charity which encourages positive, informed and non-judgemental attitudes to sex and relationships we're going to expel any myths you might have heard and make it clear for you to make an informed decision about whether you want use the pill as a means of contraception, or not. You must remember that the pill affects women differently, your body deals with hormones in its own way, and so what works for one woman might not work for another. As always it depends on you and your body.