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Mixture contraception tablets comprise each estrogen and progesterone. The hormones forestall being pregnant by stopping ovulation and altering the liner of your uterus (womb) and your vaginal discharge to forestall sperm from coming into your physique.
Some folks have unintended effects when taking contraception tablets with estrogen. Low-dose tablets comprise much less estrogen than high-dose tablets, which can assist cut back undesirable unintended effects.
There is not one contraception capsule that is proper for everybody. In the event you’re experiencing unintended effects out of your contraception, your healthcare supplier can focus on potential adjustments to your sort or dosage of contraception.
Mixture contraception tablets comprise each progesterone and estrogen. Whereas the quantity of progesterone in these tablets stays the identical, the quantity of estrogen can differ. The kind of estrogen together tablets is often ethinyl estradiol.
Excessive Dose
Excessive-dose mixture contraception tablets comprise 50 micrograms of estrogen or much less. These are prescribed much less incessantly than contraception tablets with decrease doses of estrogen as they’re extra more likely to produce adverse unintended effects.
Low Dose
Low-dose mixture contraception tablets often comprise 20-35 micrograms of estrogen. Capsules with 20-25 micrograms of estrogen are finest for individuals who expertise adverse unintended effects at doses of 30-35 micrograms of estrogen.
For instance, 20-microgram doses could also be much less more likely to trigger irregular bleeding for some people.
Extremely Low Dose
Extremely-low-dose contraception tablets have between 10-20 micrograms of estrogen. These are finest for people who find themselves very delicate to adverse unintended effects when taking mixture contraception tablets.
You may suppose {that a} decrease dose contraception capsule might not work as properly to forestall being pregnant. Nevertheless, analysis has discovered that each high- and low-dose contraception tablets work simply as properly to forestall being pregnant.
One overview of 13 research discovered that contraception tablets containing 20 micrograms of estrogen have been simply as efficient at stopping being pregnant as contraception tablets containing lower than 20 micrograms.
All contraception capsule varieties have comparable effectiveness charges for stopping being pregnant. If you use contraception tablets completely (taking the tablets precisely as instructed by your healthcare supplier), you’ve a 0.3% probability of getting pregnant in a single yr of use. In the event you use contraception much less persistently, you’ll have a couple of 9% probability of getting pregnant in a single yr of use.
No matter dose of contraception capsule you employ, it is necessary to make use of the tablets in response to the directions your healthcare supplier gave you.
Appropriate contraception use can look completely different relying on the kind. For instance:
- Month-to-month dosing: Some contraception tablets require you to take an “energetic capsule” containing estrogen and progestin for 21-24 days after which take a placebo capsule (no hormones) or no tablets for 4-7 days.
- Three-month dosing: Different varieties require you to take the identical capsule for longer intervals, reminiscent of 84 days in a row, adopted by a placebo capsule for seven days.
- Yr-long dosing: Some varieties require you to take an energetic capsule daily for a yr.
There are two predominant varieties of contraception tablets prescribed by medical doctors and healthcare suppliers:
- Mixture tablets, which comprise estrogen and progesterone
- Progestin-only tablets (mini tablets)
All mixture tablets comprise progesterone and estrogen, although the kind of progestin might differ. The kind of estrogen is identical throughout all tablets, however the quantity can differ. Mixture tablets might comprise wherever from 10-50 micrograms of estrogen.
Progestin-only tablets solely comprise the hormone progesterone. On this approach, they’re a “low dose” capsule as a result of they comprise zero estrogen. These are good selections for individuals who can not take estrogen for medical causes or are involved concerning the unintended effects and dangers of taking estrogen.
There are presently solely two progestin-only tablets obtainable for contraception, and so they comprise completely different progestins.
The primary obtainable mixture contraception tablets contained 50 micrograms of estrogen. Nevertheless, these tablets have been quickly linked to blood clots in veins. This well being threat is partly why lower-estrogen mixture contraception tablets turned obtainable and are actually really helpful for most individuals.
Past extra severe dangers like blood clots, contraception tablets can have uncomfortable unintended effects for some folks, and taking a lower-dose capsule might cut back a few of these unintended effects, reminiscent of:
Signs of decreased intercourse drive don’t often enhance after taking a decrease dose of contraception tablets. In the event you expertise extreme interval ache, an extended-release contraception capsule could also be higher. If breakthrough bleeding is extreme, switching to a better dose of estrogen might cut back this symptom.
There isn’t any actual dose that may decrease these results, because it’s explicit to the person. Individuals often work with their healthcare supplier to discover a dose that produces the fewest unintended effects.
Excessive- and low-dose contraception tablets have comparable advantages and drawbacks. Taking a lower-dose mixture capsule might cut back unintended effects like complications, nausea, and breast soreness.
The general advantages of mixture contraception tablets embody:
- Shorter intervals or lack of intervals
- Diminished premenstrual syndrome (PMS) signs
- Diminished threat of ovarian most cancers, uterine most cancers, and colon most cancers
- Remedy of polycystic ovarian syndrome (PCOS)
- Fewer ovarian cysts and ovarian tumors
- Decrease threat of anemia (low iron)
Some potential disadvantages of mixed contraception tablets embody:
- Uncomfortable side effects like breast soreness, nausea, and complications
- Irregular bleeding and breakthrough bleeding
- Potential improve in blood strain
- Elevated threat of deep venous thrombosis (a blood clot forming in a vein), particularly with larger estrogen doses
Whereas most individuals can safely take mixture contraception tablets, some populations ought to keep away from them. This contains individuals who:
- Have given delivery inside the previous 21 days
- Have a historical past or elevated threat of blood clots of their veins
- Have a present most cancers analysis
- Have a present breast most cancers analysis
- Are recovering from main surgical procedure and are presently motionless (unable to get round simply)
- Have a historical past of migraines with aura (imaginative and prescient adjustments and different sensory adjustments)
- Are over the age of 35 and smoke
- Have hypertension (even when managed with treatment)
- Have a historical past of coronary heart illness or stroke
- Have a historical past of diabetes (with sure problems)
Mixture contraception tablets comprise each estrogen and progesterone. Contraception tablets containing estrogen might trigger disagreeable unintended effects, like nausea, complications, and sore breasts.
Taking a contraception capsule with a decrease dose of estrogen might assist cut back these unintended effects. Increased doses of estrogen might also improve your threat for blood clots.
Speak to your healthcare supplier about which contraception sort is finest for you, and observe their directions for taking contraception to maximise effectiveness.