Types of Birth Control Pills
Posted on Tuesday, October 27th, 2009 at 10:36 pm
More than 45 years ago, the U.S. Food and Drug Administration (FDA), "the Pill" in 1960, it continues to be one of the most popular and effective forms of reversible contraception. Today, American women are choosing more than 40 different oral contraceptive products from which to.
"The Pill" is the common name for oral contraception. There are two basic types of birth control pills: combination pills, andProgestin pills. Both are hormones, such as those made by the ovaries of women. Combination pills contain estrogen and progestin. Both require a medical evaluation and prescription. Both can prevent pregnancy.
Progestin-only pills
The progestin-only pills (also called "mini-pills") was in the 1970s are available. Their use was restricted and – the production of only 1 to 10% of the contraceptive market. This type of pill contains no estrogen and therefore they can notto normally preclude ovulation. To work effectively, they must be taken at a specific time every 24 hours. Also missing a pill can significantly reduce the effectiveness.
Progestin-only pills have specific advantages over combined oral contraceptives. Because they do not contain estrogen, they are a good choice of contraception for breastfeeding women, as estrogen reduces milk production, and for women with health problems, the use of combined oral contraceptive pills, prevent, such as migraineHeadache, thrombosis and cardiovascular disease. In addition, progestin-only pills do not have most of the estrogen side effects of oral contraceptives: nausea, headaches and other symptoms associated with the start of the pill are minimal. However, bleeding and spotting during the intramenstrual day period may be greater than the combined pills and missed pills can be a higher chance of pregnancy, that with the combined oralContraceptives.
Combined pills
If you hear the term "pill", is most often refers to oral contraceptives with estrogen and progestin. Combination pills contain a combination of these two hormones. They are known as monophasic, biphasic or triphasic pills depending on whether the level of hormones stays the same during the first three weeks of the menstrual cycle, or specified changes.
Combined pill work by preventing ovulation- The release of a mature egg from the ovary of a woman. The estrogen in the pill leads.
Monophasic pills
Monophasic pills contain the same amount of estrogen and progestin in all active pills in a pack. Examples of single-phase pills include Alesse, Brevicon, Desogen, levlen, Levlite, Loestrin, Modicon, Nelova, Nordette, Norinyl, Ortho-Cept, Ortho-Cyclen, Ortho-Novum, Ovcon, Yasmin. Because of the uniform hormone level in all the pills are at least monophasicsLikelihood of side effects such as mood swings, which can result from fluctuating hormone levels in the body result.
The FDA approved a new packaging of a monophasic pill called seasonale in 2003. The product is available in a 91-day supply packaged and designed to prevent menstruation for the entire period. Women who seasonale have only four periods a year. Seasonale contains the same estrogen and progestin at the same level as many other monophasic birth controlPills. Although many other monophasic pills are used in this way, seasonale is the only product approved for use.
Multiphasic pills
Phasic pills were developed in the 1980s. Multiphasic oral contraceptives contain varied amounts of hormones and should be taken under schedule at certain times throughout the bunker. They were developed to reduce side effects of oral contraceptives, including breakthrough bleeding, spotting and amenorrhea,associated with higher concentrations of hormones.
Biphasic pills at the level of hormones once during the menstrual cycle. The progesterone is about halfway through the cycle increases. Examples of biphasic pills containing Jenest, Mircette, Necon 10/11, Nelova 10/11, Ortho-Novum 10/11.
Triphasic pills contain three different doses of hormones in active pills (changing every seven days during the first three weeks) of pills. Triphasic pills gradually increase the dose of estrogensome pills and increase the progesterone dose. Triphasic pills contain Cyclessa, Ortho-Novum 7/7/7, Ortho Tri-Cyclen, triphasil, Tri-levlen, Trivora, Tri-Norinyl.
The "morning-after pill (ECP)
The "morning-after pill should not be routinely used as a contraceptive. They are designed to prevent pregnancy after unprotected intercourse. The FDA has approved an emergency morning-after pill called Plan B, which contains the progestinLevonorgestrel.
Advantages of ECP:
Reduces the chance of unintended pregnancy
Can be found easily – Plan B will soon be over the counter for women over 18 are available and can be purchased in advance and always handy in case of emergency.
Disadvantages:
Timing. Since you have to take the first dose within 120 hours of having unprotected sex. The sooner you take it after unprotected intercourse, the more effective they are.
Which pill isbetter?
Monophasic birth control pills work as well as the more expensive and more complicated biphasic and triphasic products. Monophasic products with low amounts of estrogen may cause less bloating or breast tenderness, but breakthrough bleeding. So for most women, the monophasic pills are a good first option. All products that offer a combination of estrogen and progestogen are more effective in preventing pregnancy as the "mini-pills." However,Progestin-only pills are a good choice for breastfeeding women and for women who can not use combined oral contraceptive pills.
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