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Doctor insights on: What Is The Difference Betwee28n 21 Day Birth Control Pills

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What is the difference betwee28n 21 day birth control pills?

What is the difference betwee28n 21 day birth control pills?

Not much: Both types have 21 active pills taken during the first three weeks of your cycle. The extra 7 pills in the 28 pill pack are inactive. When the 21 pill pack runs out, you wait 7 days then start a new one. With the 28 pill pack you start a new pack as soon as the old one runs out. It both cases menses occur during the 4th week due to hormone withdrawal. ...Read more

Dr. Steven Griggs
1 doctor shared a insight

Birth Control Pills (Definition)

Also known as oral contraceptives, birth control pills are highly effective oral medications that use hormones to prevent pregnancy. There are two main types of birth control pills: one with estrogen and progestin (also known as the combination pill) and one with just progestin. The two main ways they prevent pregnancy are: 1) The hormones thicken the cervical mucous, which keeps sperm from entering the uterus on their way to the egg; and 2) By maintaining a level of hormone in the blood stream that prevents the ...Read more


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Are there any major differences between different types of birth control pills?

Are there any major differences between different types of birth control pills?

Few: The manufacturers would have you believe a great deal, but my experience tells me otherwise. While there are certain reasons to choose one pill over another, most pills are far more similar than they are different. ...Read more

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What is the difference between various brands of birth control pills?

What is the difference between various brands of birth control pills?

No clear differences: There is no clear evidence that users of any one particular pill will have more or fewer side effects.Every person is different, & success with pills can't be predicted--you have to try it on (like finding the best pair of blue jeans).Most people do well on the 1st pill they try, and almost everyone can find a pill that works.Give it a fair try ~3 months if you can, as many mild side effects go away. ...Read more

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Is there a difference between errin and jolviette birth control pills?

Is there a difference between errin and jolviette birth control pills?

Same drug: With bc, original name is protected by a patent for a period of time.When that patent runs out, another drug company can make that same medicine with the same basic ingredients, but a different name.This is called a "generic" drug. The fda assumes that this medicine works the same, but blood levels may vary somewhat from the original brand name. ...Read more

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What's the difference between cyclen and tri cyclen birth control pills?

Hormone doses: Cyclen is a "monophasic" pill-- every active pill in the pack has the same type and amount of hormone. Tri-cyclen is a "triphasic" pill-- there are three different doses of hormone in the pack. That is why there are different colored pills in the tri-cyclen pack. ...Read more

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What is the difference between low hormone and high hormone birth control pills?

What is the difference between low hormone and high hormone birth control pills?

Estrogen dosage: The original pill contained 150ug of estrogen. Over the last 50'years, the dosages have dropped to 35 and 30 ug - relatively higher dosages - to 20 ug - low dosage - to a newer 10 ug pill - the lowest available. Benefits can include shorter, lighter periods and possibly improved safety and effectiveness - with increasing the days taken from 21 to 26. ...Read more

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Difference in levonorgestrel 150 mcg and desogestrel 150 mcg in birth control pills?

Difference in levonorgestrel 150 mcg and desogestrel 150 mcg in birth control pills?

Not much: These are 2 different types of Progesterone used in the pills. Both have are safe and have been used for many years. ...Read more

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If birth control pills were adding to my depression, how long after going off of them would i notice a difference?

If birth control pills were adding to my depression, how long after going off of them would i notice a difference?

Right away: The hormones in birth control pills are gone from you system in a day, and then your body will start to have a natural cycle--which involves hormonal changes, which can also affect your moods. Lots of things also affect moods, but if you are persistently feeling depressed, you should see your doctor. ...Read more

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What is the difference between the Plan B emergency contraceptive and regular birth control pills?

What is the difference between the Plan B emergency contraceptive and regular birth control pills?

Mechanisms differ: Plan b is levonorgestrel. It alters the tubes to prevent passage of the eggs and sperm and prevent fertilization. It also alters the endometrium to prevent implantation. Birth control pills usually contain an estrogen and a progesterone. They suppress LH and FSH to prevent ovulation. They also alter the cervical mucous to prevent sperm from entering. ...Read more

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Dr. Jeff Livingston
2,319 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


Dr. James Krick
4 doctors shared insights

Birth Control (Definition)

Also known as contraception, birth control is a method to prevent pregnancy. Some methods of birth control include a vasectomy, tubal ligation, oral contraceptive pills, vaginal rings, hormone injections, condoms, diaphragms, sponges, ...Read more