Oral contraceptives use hormones to protect against pregnancy. Progestin-only pills have actually only the hormone progestin. They carry out not have actually estrogen in them.

You are watching: Why do birth control pills contain progesterone apex

Birth control pills assist keep girlfriend from gaining pregnant. The pills with just progestin come in 28-day packs. Every pill is active. Each has only progestin and no estrogen. These types of birth regulate pills often are used for females who have medical factors that stop them from acquisition a combination oral contraceptive pill (pills the contain progestin and also estrogen). Several of the factors to take progestin-only birth manage pills include:

History the migraine headachesCurrently breastfeedingHistory that blood clots

Progestin-only pills are very effective if bring away correctly.

Progestin-only pills work by making your mucus as well thick for sperm to relocate through.

You may start acquisition these pills any type of time in her menstrual cycle.

Protection indigenous pregnancy begins after 2 days. If you have actually sex within the very first 48 hrs after your an initial pill, use one more birth control technique (condom, diaphragm, or sponge). This is called back-up birth control.

You need to take the progestin-only pill in ~ the very same time every day.

Never miss out on a job of acquisition your pills.

When you have 2 packs of pills left, contact your health care provider for an meeting to obtain a refill. The job after you finish a load of pills you must start a brand-new pack.

With this pills you may:

Not gain periodsBleed a bit on and also off with the monthGet your period in the fourth week

If you execute not take it the progestin pill ~ above time, your mucus will start to thin and you could come to be pregnant.

When you realize you missed her pill, take it it as shortly as possible. If it is 3 hours or more since it was due, usage a backup birth control an approach for the next 48 hrs after acquisition the last pill. Then take your next pill in ~ the usual time. If you had actually sex in the critical 3 come 5 days, take into consideration asking your provider for emergency contraception. If friend have any type of questions or concerns, contact your provider.

If you vomit after you take a pill, take one more pill as quickly as possible, and use a backup birth control an approach for the following 48 hours.

You may decide to protect against taking birth regulate pills due to the fact that you want to gain pregnant or you desire to change to another birth regulate method. Below are some things to expect once you protect against taking the pill:

You should gain your period 4 come 6 weeks after you take her last pill. If you perform not obtain your duration in 8 weeks, call your provider.Your duration may be more heavier or lighter 보다 usual.You may have mild spotting of blood before you gain your very first period.You might end up being pregnant best away.

Use a backup technique of bear control, such together a condom, diaphragm, or sponge, if:

You take a pill 3 hours or much more after it to be due.You miss 1 or an ext pills.You space sick, throw up, or have loose stools (diarrhea). Even if girlfriend take her pill, your body might not absorb it. Use a backup an approach of birth control, and also call her provider.You are taking one more medicine that might prevent the pill indigenous working. Tell your provider or pharmacist if you take any type of other medicines, such as antibiotics, seizure medicine, medication to law HIV, or St. John"s wort. Find out if what you take will certainly interfere with how well the pill works.

Call your provider if:

You have swelling in her leg.You have actually leg pain.Your leg feels warmth to the touch or has transforms in skin color.You have actually fever or chills.You are short of breath and also it is tough to breathe.You have actually chest pain.You cough up blood.

Mini-pill; The pill - progestin; oral contraceptives - progestin; OCP - progestin; Contraception - progestin; BCP - progestin

Allen RH, Kaunitz AM, Hickey M, Brennan A. Hormonal contraception. In: Melmed S, Auchus, RJ, Goldfine AB, Koenig RJ, Rosen CJ, eds. Williams Textbook of Endocrinology. 14th ed. Philadelphia, PA: Elsevier; 2020:chap 18.

Glasier A. Contraception. In: Jameson JL, De Groot LJ, de Kretser DM, et al, eds. Endocrinology: Adult and also Pediatric. 7th ed. Philadelphia, PA: Elsevier Saunders; 2016:chap 134.

Isley MM. Postpartum care and long-term wellness considerations. In: Landon MB, Galan HL, Jauniaux ERM, et al, eds. Gabbe"s Obstetrics: Normal and Problem Pregnancies. 8th ed. Philadelphia, PA: Elsevier; 2021:chap 24.

See more: What Does Behind The 8 Ball Mean Ing, Meaning Of Behind The Eight Ball In English

Updated by: man D. Jacobson, MD, Professor the Obstetrics and Gynecology, Loma Linda University college of Medicine, Loma Linda center for Fertility, Loma Linda, CA. Also reviewed by David Zieve, MD, MHA, clinical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.


A.D.A.M., Inc. Is accredited by URAC, for health and wellness Content Provider (www.urac.org). URAC"s accreditation regimen is an independent audit to verify that A.D.A.M. Complies with rigorous requirements of quality and accountability. A.D.A.M. Is among the first to achieve this important difference for online health and wellness information and also services. Learn more about A.D.A.M."s editorial plan editorial process and privacy policy. A.D.A.M. Is additionally a establishing member that Hi-Ethics. This site adheres to the HONcode conventional for trustworthy health and wellness information: verify here.


U.S. Nationwide Library that Medicine8600 Rockville Pike, Bethesda, MD 20894U.S. Room of Health and also Human ServicesNational institutes of health and wellness