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Hormonal Contraceptives - The Pill
Contraceptive pills have been available and used since the 1960’s. Between 2006 and 2010, according to the Center of Disease Control and Prevention, two thirds of women in the reproductive age, use some type of contraception, and 17% of these women use oral contraceptive pills (OCP).
It is important to know how the Pill works, how to use it, and the side effects in order to decide the best option for you.
What are Contraceptive Pills?
Contraceptive Pills are one of the most effective methods to prevent pregnancy. If you are a sexually active woman, you should consider the possibility to use birth control pills. There are different kinds of methods, but the most common is the combined pill, which is the combination of two female hormones, progesterone and estrogen. These pills contain artificial versions of female hormones, which prevent the release of an egg (called ovulation) and tries to keep apart the sperm and the egg in order for the woman to not get pregnant.
Which types can you find in the market?
Combination Pills, as mentioned before, have progesterone and estrogen. Usually most of the pills are active, which means they contain hormones. The remaining pills are not active, which means they do not contain hormones.
There are several kinds of brands of the combination pills, made up of four types:
Monophasic 21-day pill
This is the most common type and has the same level of hormone in each pill. This is a monthly cycle and you need to take every day, at the same time of the day, one pill for 21 days. Then you do not take pills for seven days. During this time your menstruation cycle will start. Yasmine, Cilest, Marvelon, Mocrogynon, Yaz, and Ocella are some examples of this kind of pill.
Phasic 21-day pill
This type of pill has two of three sections of different amounts of hormones. It is also a one-month cycle and you should take one pill, every day, at the same time of the day for 21 days. This kind of pill is important and crucial to take in a correct order because each section has a different amount of hormones. Then you do not taken pills for 7 days and have your period. Logynon is an example of this kind of pill.
Every day (ED) pill
This type of pill has 21 active pills and 7 inactive (dummy) pills in one-month pack. You will take the pills for 28 days with no break between the packets of pills. This kind of pill is also important and crucial to take in a correct order to avoid the medicine to be less effective. Microgynon ED is an example of this kind of pill.
This kind of pill contains only progesterone without estrogen and it is called also minipill. This type is recommended for women in which estrogen is contraindicated. All the pills are active and you will not have your period while taking progestin-only pills. Aygestin, Camila, Ortho Micronor, Lyza and Errin are some examples of this kind of pill.
How Combined Pills and Progesterone-only Pills work?
Combined pills work preventing the ovaries to release an egg each month. They thicken the cervical mucus preventing sperm from reaching the uterus.
The progesterone-only pill works in a different way: they can also prevent ovulation and they can make the cervical mucus thickens and make the endometrium more thin. Endometrium is the lining in your uterus, when it is thin, it makes it harder for an egg to implant itself, which makes harder to have a pregnancy.
How can you use it?
Monophasic and Phasic (21-day) pills:
You need to take the first pill from the packet, marked in the correct day of the week. Keep taking the pill for 21 days at the same time of the day, every day. Stop taking the pills for 7 days. In this period, your menstrual cycle will start. Start the next pack on the eighth day, whether you are still bleeding or not. Please pay attention that the day of the week will be the same you took your first pill.
Every day pills:
Take the first pill from the section which has a marked “start”: this is an active pill. Then keep taking the pills, every day, at the same time of the day for 28 days. The lasts 7 pills are dummy pills and your period should start. Then start the next pack of pills after you finished the first one, even if you are still bleeding.
With this method you take the pills for 28 days at the same time of the day and start the next pack of pills after you finished the first one. With this method, you will not have your period.
When should you start the combined pill?
Most women can start the combined pill at any time in their menstrual cycle. You just need to pay attention if you just have had a baby, a miscarriage or an abortion. There is a special guidance for those cases, so make sure you contact a doctor before starting to take these pills.
Starting the pill in the first day of your menstrual cycle
If you start taking the pill at the first day of your period, you do not need any other kind of protection from pregnancy. The effect starts right away.
Starting the pill on the fifth day of your cycle or before
If you start taking the pills on the fifth day of your cycle or before, you do not need any other kind of protection from pregnancy. The effect starts right away. Unless you have a short period cycle, which is 23 days or less. If you have a short period cycle, you should use another kind of contraception, such as condoms, until you take the pills for 7 days. After this, you will be protected only using the combined pill.
If you start taking the pill after the fifth day of your cycle
If you start taking the pill after the fifth day of your cycle, you should use another kind of contraception, such as condoms, until you take the pills for 7 days. When you start taking the pill after the fifth day, make sure you will not put yourself at risk of pregnancy since your last period. To avoid this problem, you can take pregnancy test after 3 days you had unprotected sex.
What can happen if you forget a pill?
If you forget one or more pills or if you took it late, you can decrease the effectiveness of the pill and can get pregnant. The risk of getting pregnant depends on how many pills you missed, and the time of your cycle you missed.
If you forget two or more pills or started the new pack two or more days late, you should:
The effectiveness of birth control pills
If you take the pill (combination pill and progestin-only pill) every day correctly, the pill is around 9% to have a failure in typical use. This means that nine women in 100 who are using these pills have a chance to get pregnant in one year. For the progestin-only pill to be fully effective, you should take the pill every day in three-hour period difference. The combination pill is more flexible and you should take the pill every day in 12-hour period of time for it to be fully effective.
Please pay attention that there are some medicines that can decrease the effectiveness of birth control pills, as follows:
The complete list of medicines, which can interact with birth control pills and reduce the effectiveness, can be given by your GP or pharmacist. They should recommend you another kind of contraception during the time you are using the medicine. Please also pay attention if you are vomiting or having diarrhea. If you have a stomach illness, you should always ask your doctor if you have the risk of pregnancy.
What are the advantages of using birth control pills?
There are several benefits for Combined Pills and Progestin-only Pills, as follows:
Some types of combined pills can also have other protections against, as follows:
The Progestin-only Pill can also be better for women who:
Which are the disadvantages of using birth control pills? What are the side- effects?
There are some disadvantages of Combined Pills and Progestin-only Pills. You are not protected against sexually transmitted infections and you need to remember every day to take it.
Some women have different reactions to the hormones in birth control pills, which can be:
Pay attention to these side effects, because they should happen just for a few months. If they continue, stop taking them and talk to your doctor, so that he suggest another type of birth control method.
What are the risks of taking birth control pills?
There are some risks of using birth control pills, especially Combined Pills that can increase the chance to have blood clots and lead to:
Even if there is the possibility of increasing the chance of having blood clots by using birth control, the risk is very small. According to the American College of Obstetricians and Gynecologist, from 10,000 women, less than 10 will develop blood clots in a year using birth control pills.
However, if you have one of the risk factors below, you should talk to your doctor and analyze about the risks to use birth control pills, as follows:
Which one is the best option for you?
Nowadays, there are in the market, many different types of birth control pills, which will fit you. The important thing is always to consult your doctor and be sure that you’re taking them every day correctly, accordingly to the side effects and the risks factors mentioned above. It is also important to ask your doctor if you are using the best option for you. If you are using some medicine, you always need to say to your doctor and make sure that this medicine will not affect the effectiveness of the birth control pill, and if this happens, which option do you have to avoid an unplanned pregnancy.