People who use multiphase birth control may experience more side effects from the fluctuating levels of hormones. These side effects are akin to typical hormonal changes experienced during the menstrual cycle, such as mood changes. Monophasic birth control has been studied the most, so it has the most evidence of safety and efficacy.
However, no research suggests one type of birth control is more effective or safer than another. Side effects for single-phase birth control are the same for other types of hormonal contraceptive.
Single-phase birth control pills are safe, reliable, and highly effective if you use them accurately. Accurate use relies on your understanding how and when to take the pill. It may help to set a reminder on your phone or calendar. Take with food: When you first start taking the pill, you may want to take it with food to reduce nausea. The first 21 pills in a single-phase package are all the same, but the final seven often have no active ingredient.
Mixing these up could leave you at risk for pregnancy and cause side effects like breakthrough bleeding. Be sure to start your next pack after the seven-day window has ended. Know what to do if you miss a dose: Missing a dose happens. If you accidentally skipped a dose, take the pill as soon as you realize it. If you skip two days, take two pills one day and the final two pills the next.
Then return to your regular order. If you forget multiple pills, call your doctor or pharmacist. They can guide you on what to do next.
Check out: Choosing the right birth control pill ». Share your experience. Share your experience Explore your options Blog About. Search Site. What is the difference between monphasic, biphasic and triphasic birth control pills? You may need to try several different pill options, or even brands, before finding the one that works the best for you.
Your email address will not be published. Save my name, email, and website in this browser for the next time I comment. Submissions are viewed by non-medical personnel for scheduling purposes. Please refrain from providing detailed medical information you would like kept confidential.
Phone: Fax: Patient Portal. Different types of birth control pills vary dramatically in composition to ensure all patients can find the formula that works best for their bodies. Mini Pill The mini pill prevents pregnancy using progestin alone, instead of combining it with estrogen. Combination birth control pills are categorized as monophasic, biphasic, or triphasic depending on whether the level of hormones stays the same during the first three weeks of your menstrual cycle or if it changes.
Keep in mind that for day pill packs, the pills for the fourth week are usually placebo pills and do not have any hormones. Multiphasic birth control pills were developed in the s. Phasic birth control pills have differing amounts of hormones—designed to be taken at specific times throughout the course of each pill pack.
These pills were originally developed to help lessen the side effects of monophasic birth control pills. When compared to monophasic combination pills, some multiphasic birth control pills may lower the total hormone dosage you may receive in each pill pack. They are also designed to more naturally mimic your body's menstrual cycle. Monophasic birth control pills have the same amount of estrogen and progestin in each active pill in the pill pack.
The hormone levels in each pill stay consistent, so monophasic birth control pills may be less likely to cause side effects that could result from fluctuating hormones. Monophasic birth control pills are classified by their estrogen level:. Monophasic birth control pills work just as well as multiphasic pills. Low estrogen, monophasic pills may cause less bloating or breast tenderness but they may result in more spotting. Most people find that a monophasic birth control pill brand tends to be a good first choice.
Biphasic birth control pills change the level of hormones one time during the pill pack. Biphasic birth control pills deliver the same amount of estrogen each day, but the level of progestin is increased about halfway through the pill cycle.
The last seven days if included are placebo pills and do not contain hormones. Triphasic birth control pills like Ortho Tri-Cyclen contain three different doses of hormones so the hormone combination changes approximately every seven days throughout the pill pack. Depending on the pill brand, the amount of estrogen may change as well as the amount of progestin. In a single month's supply, triphasic birth control pills may have a slow increase in estrogen, and some pills may also increase the dose of progestin.
0コメント