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Doctor insights on: Rhythm Method Of Birth Control

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Rhythm Method Of Birth Control (Overview)

Calendar Method. The calendar (rhythm method) is considered the least reliable of fertility awareness methods. Women who have very irregular periods may have even less success with this method. In the calendar method, the woman first keeps a record of her menstrual periods for about 6 - 12 months. She then subtracts 18 days from the shortest and 11 days from the longest of the previous menstrual cycles. For example, if a woman's shortest cycle was 26 days and her longest cycle was 30 days, she must abstain from intercourse from day 8 through day 19 of each cycle.


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Success rate if I practice the rhythm method of birth control?

Success rate if I practice the rhythm method of birth control?

Success of rhythm: If you know your own body and can check your own cervical mucus rhythm works fairly well as a contraceptive method. Avoid have sex 4 days before you expect to ovulate until 2 days after ovulation. Sperm can survive in the female tract for 3 days, and the egg is can be fertilized for 24 hrs after ovulation. As long as you accept abortion as a fail safe, you should be fine. ...Read more

Rhythm Method Of Birth Control (Overview)

Calendar Method. The calendar (rhythm method) is considered the least reliable of fertility awareness methods. Women who have very irregular periods may have even less success with this method. In the calendar method, the woman first keeps a record of her menstrual periods for about 6 - 12 months. She then subtracts 18 days from the shortest and 11 days from the longest of the previous menstrual cycles. For example, if a woman's shortest cycle was 26 days and her longest cycle was 30 days, she must abstain from intercourse from day 8 through day 19 of each cycle.


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Can you tell me for the rhythm method of birth control, why do you minus 18 days from your shortest cycle and 11 days from you longest cycle?

Can you tell me for the rhythm method of birth control, why do you minus 18 days from your shortest cycle and 11 days from you longest cycle?

Difficult to say: If you have a very regular length between the first day of one bleed to the first day of the next, then you ovulate 14 days prior to the onset of bleeding. If that interval is actually not regular, then no system is going to accurately predict ovulation. Any system that is just estimating it in the setting of irregular cycles is going to be at least somewhat inaccurate. ...Read more

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What is the rhythm method while on birth control?

What is the rhythm method while on birth control?

There is none: The rhythm method is a natural form of birth control based on knowing your own menstrual cycle (average length by counting from the start of one cycle to the start of the next and then subtracting 14 days from the start of the next cycle to be able to predict when you might be ovulating). When on hormonal types of birth control you are not ovulating and therefore the rhythm method is irrelevant. ...Read more

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Can anybody tell me how well the rhythm method works as a birth control?

Can anybody tell me how well the rhythm method works as a birth control?

Not very reliable: Using the rhythm method effectively depends upon absolutely regular and predictable cycles (not common) and considerable self-discipline. Since your sexual desire or libido increases when you are most fertile and this is exactly the time you have to avoid with the rhythm method, it tends not to work out well. ...Read more

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Rhythm method while on the birth control pill improve prevention rate?

Rhythm method while on the birth control pill improve prevention rate?

Yes it will: Oral contraceptive pills provide a very good rate of pregnancy prevention. The rhythm method unfortunately is not as successful. Combining the two where taking the oral contraceptive pills as directed and not having sexual contact midcycle starting approximately day nine of the cycle through day 18 of the cycle will prevent conception even more. ...Read more

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Should I use additional birth control when using the rhythm method, or is it fool proof?

Should I use additional birth control when using the rhythm method, or is it fool proof?

Yes: Yes, you should use additional birth control, especially around ovulation, the week before and for a few days afterwards. Even when done perfectly the rhythm method has a 20% failure rate as ovulation can occasionally occur earlier or later than expected. ...Read more

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Is it possible to use the rhythm method and the Yaz (drospirenone and ethinyl estradiol) birth control pill to decrease the chance of becoming pregnant?

Is it possible to use the rhythm method and the Yaz (drospirenone and ethinyl estradiol) birth control pill to decrease the chance of becoming pregnant?

If you : Are on bcpills and using them correctly you should not have to use the rhythm method and at your age i would rec the lowest dsoe pill loloestrin, 10 mcg estrogen instead of the 20 mcg in the Yaz (drospirenone and ethinyl estradiol) and I do not like the progetserone in Yaz (drospirenone and ethinyl estradiol) - more chance for problems, loloestrin a much better pill in my opinion, it is the #1 pill i write for and start my pts with some samples. ...Read more

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Is the IUD a long-term method of birth control?

Is the IUD a long-term method of birth control?

No: Iuds are not permanent. They can be removed and then you can get pregnant. The advantages of an iud is that you can place an iud and leave it in for years (5 years and 10 years max for Mirena (levonorgestrel) and paraguard, respectively). No more taking pills regularly or appointments for injections. And they are almost 99% effective. ...Read more

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Can you tell me about the withdrawal method of birth control?

Can you tell me about the withdrawal method of birth control?

Not efffective: The withdrawl method is when the male pulls his penis out of the vagina before ejaculation occurs. This is a very poor method of birth control. Even prior to ejaculation, the penis releases small amounts of fluid that contain sperm. ...Read more

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Why would it be that nuvaring is a good method of birth control?

Why would it be that nuvaring is a good method of birth control?

Continous release: It is 99% effective in reducing pregnancy. Once the ring is vaginally inserted it works continously. ...Read more

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Are diaphragms safe method of birth control?

Depends : It depends on what you mean by "safe"--using a diaphragm causes no hormonal side effects, but has a higher risk of pregnancy, and pregnancy has lots of side effects. For 100 typical couples relying on a diaphragm for birth control, 12 will be pregnant by the end of a year. ...Read more

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Is the shot method of birth control considered effective?

Is the shot method of birth control considered effective?

You mean: Depo- Provera (medroxyprogesterone) yes if used properly it works very well, u must get your 1st shot on your period and after that your doc should tell u when u need the next injection and explain the benefits and possible side effects to you and u can read about it online, I have many pts who use it. ...Read more

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What are some advantages of the natural family planning method of birth control?

What are some advantages of the natural family planning method of birth control?

Cheapest: Well you don't have to spend any money on it whatsoever and that makes it the cheapest form of birth control. It can work well provided you have very regular, predictable cycles and that you are compliant with abstinence during your peak fertility times. ...Read more

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What are some disadvantages of the natural family planning method of birth control?

What are some disadvantages of the natural family planning method of birth control?

Tricky: Natural family planning is not the most reliable form of contraception. Honestly, it is one of the least effective forms of birth control. Strict attention to when your body is ovulating is key and this can take a lot of time and body awareness. Even then, ovulated eggs can survive for days in the female genital tract, as can sperm/semen. ...Read more

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Isnt natural family planning just another method of birth control for those who say they are "against" birth control?

Depends who u ask: The answer has more to do with your religious and political beliefs than science or medicine. Technically, not having sex until you are married is a form of birth control, yet some people are against premarital sex and birth control. Go figure. ...Read more

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Should I get the 2nd shot or just stop and get another method of birth control? If I get it again what are the chances of me still having a period?

Should I get the 2nd shot or just stop and get another method of birth control? If I get it again what are the chances of me still having a period?

DMPA: What type of shot? The depo-provera shot? Are you over weight? There are a lot of questions that need to be answered before an opinion can be given. You should consult with the Dr that gave you the shot. ...Read more

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If the gyno says you only have to use a second method of birth control after starting the pill, then is that really enough? Sex 14 after starting pil

If the gyno says you only have to use a second method of birth control after starting  the pill, then is that really enough? Sex 14 after starting pil

Starting BCP: Of course you have to use a different form of birth control when you are starting any hormone based form of birth control. This usually means condoms or the diaphragm. Yes, these barrier methods are 'enough' to prevent pregnancy if used correctly. ...Read more

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Which method of birth control wont affect my sex drive?

Which method of birth control wont affect my sex drive?

IUD: Copper iud, Mirena (levonorgestrel) iud will have minimal impact on your sex drive. Condoms, spermicides have the same impact on your sex drive as iud but are less reliable in protecting against pregnancy. ...Read more

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What is the best method of birth control for pcos if you need one?

What is the best method of birth control for pcos if you need one?

The one you use. : Best form of birth control is the one that you will consistently use and use correctly. If the pill is freq missed then another method such as a nuvaring, implanon, or iud may be better. Pco is generally adeq. Addressed with any of the hormonal options. ...Read more

Rhythm (Definition)

Rhythm "any regular recurring motion, symmetry may be generally defined as a movement marked by the regulated succession of strong and weak elements, or of opposite or different conditions, this general meaning of regular recurrence or pattern in time may be applied to a wide variety of cyclical natural phenomena having a periodicity or frequency of anything microseconds ...Read more


Dr. Jeff Livingston
2,365 doctors shared insights

Contraception (Definition)

Contraceptiion is a means of preventing conception (or fertilization). There are hormonal and non hormonal methods of preventing sperm and egg from meeting. Talk to your doctor or clinic about what options are best for you. There are short acting methods (condoms, pills, patch, ring) and long ...Read more