Delaying your period by a week is possible, and for most healthy women, it is safe when done correctly. The most reliable method is a prescription medication called norethisterone, which uses the hormone progesterone to hold off your menstrual cycle. However, this approach requires a doctor’s prescription and is not suitable for everyone, so understanding the risks and alternatives before you start is essential.
What Is Norethisterone and How Does It Work?
Norethisterone is a synthetic form of progesterone, a hormone your body naturally produces. It works by maintaining the lining of your uterus (the endometrium) at its current thickness. Normally, when your progesterone levels drop, this lining sheds, and you get your period. By taking norethisterone, you prevent that drop, so the lining stays intact and bleeding is delayed.
This is the most common method doctors prescribe for women who want to postpone a period for a specific event, like a wedding or a vacation. It is not a form of contraception. It will not prevent pregnancy, and it will not protect against sexually transmitted infections.
You typically start taking the tablets three to four days before your period is due. You take them daily, and your period will usually arrive two to three days after you stop taking the medication. If you take it for a week, your period will be delayed by roughly that week.
How To Push Your Period Back A Week Safely: The Steps
You cannot buy norethisterone over the counter in the United States. You need a prescription from a doctor or a licensed telehealth service. The process is straightforward, but it requires planning ahead.
- Schedule a consultation: Contact your healthcare provider at least two weeks before your planned period. This gives you time to get the prescription filled and start the medication on time.
- Discuss your medical history: Your doctor will ask about your health, including any history of blood clots, liver disease, or hormone-sensitive cancers. These conditions can make norethisterone unsafe for you.
- Get the prescription: If it is safe for you, the doctor will prescribe the tablets. The standard dose is typically 10 mg taken three times a day, but your doctor will confirm the exact dose for you.
- Start on time: Begin taking the medication three to four days before your expected period. Do not wait until the day you expect it to start.
- Stop to bleed: When you want your period to arrive, stop taking the tablets. Expect bleeding within two to three days.
It is important to take the medication at the same time each day. Missing a dose can cause breakthrough bleeding, which defeats the purpose of the delay.
Who Should Not Use This Method?
Norethisterone is not safe for everyone. Your doctor will likely advise against it if you have a history of blood clots, stroke, or heart disease. It is also generally not recommended if you have liver problems or if you have had breast cancer or other hormone-sensitive cancers.
If you are pregnant or think you might be pregnant, you must not take this medication. It will not end a pregnancy, but it is not appropriate to take it during pregnancy. Your doctor will usually ask about your last period and may perform a pregnancy test before prescribing.
Smoking and being over 35 also increase the risks associated with hormonal medications. If you smoke and are over 35, your doctor may be more cautious about prescribing this drug. Be honest with your doctor about your smoking habits and your full medical history.
What Are the Side Effects?
Most women tolerate norethisterone well, but side effects are possible. The most common ones include nausea, headaches, breast tenderness, and mood changes. These are generally mild and stop once you finish the medication.
Breakthrough bleeding is another possibility. This is light spotting that can occur while you are taking the tablets. It does not mean the medication is not working, but it can be inconvenient. Some women also report bloating or changes in their normal cycle after they stop taking the medication. Your next period after stopping may be heavier or lighter than usual, and it can take a cycle or two for your periods to return to their normal rhythm.
Serious side effects are rare but require immediate medical attention. These include severe leg pain or swelling, chest pain, sudden shortness of breath, or vision changes. These can be signs of a blood clot, which is the most serious risk associated with this medication.
Are There Non-Prescription Alternatives?
Some people look for natural or over-the-counter ways to delay a period. There is no reliable evidence that herbal supplements, vitamins, or dietary changes can reliably push back your period by a week. Some herbs are marketed for this purpose, but no clinical evidence currently confirms they work or that they are safe for this use.
Another option is the combined oral contraceptive pill, commonly called “the pill.” If you already take a monophasic combined pill (one where every active pill has the same dose of hormones), you can skip the placebo week and start a new pack immediately. This delays your period for as long as you continue taking active pills.
This method is effective, but it only works if you are already on the pill and your pill is monophasic. If you are not on the pill, starting it just to delay a period is possible, but it takes longer to arrange and may not be worth the effort for a one-time delay. Your doctor can advise you on whether this is a good option for you.
What About the “Period Delay” Apps and Devices?
There are apps and wearable devices that track your cycle and claim to predict your period with high accuracy. These are useful for knowing when your period is due, but they cannot delay it. No app or device can change your hormone levels.
Some companies sell “period delay” kits online that are actually just norethisterone sold through telehealth consultations. These are legitimate if the service is licensed and a doctor reviews your history. Be cautious of websites that sell hormonal medications without a prescription or without a proper consultation. Buying prescription drugs from unregulated sources is risky and potentially dangerous.
What Are the Risks of Doing This Repeatedly?
Using norethisterone occasionally, such as once or twice a year, is generally considered safe for healthy women. Using it every month or for extended periods is not recommended. Repeatedly manipulating your cycle can make it harder to track ovulation and can lead to irregular bleeding.
Your natural cycle is driven by a precise balance of hormones. Interfering with that balance occasionally is fine, but doing it constantly can disrupt your body’s normal rhythm. If you find yourself wanting to delay your period frequently, talk to your doctor. There may be an underlying issue, such as painful periods or heavy bleeding, that deserves proper treatment rather than repeated delays.
When Should You See a Doctor Before Delaying Your Period?
If you have irregular periods, you should talk to a doctor before trying to delay one. If your cycles are unpredictable, it is harder to know when to start the medication. Your doctor can help you determine if norethisterone is appropriate for you.
You should also see a doctor if you have any chronic health condition, such as diabetes, high blood pressure, or migraines. These conditions do not automatically rule out norethisterone, but they require a careful risk assessment. Never assume a medication is safe just because a friend or family member used it. Your health history is unique.
Frequently Asked Questions
How far in advance can I take norethisterone to delay my period?
You start taking norethisterone three to four days before your period is expected. You cannot take it earlier than that and have it work reliably.
Is it safe to delay my period by a week?
For healthy women, delaying a period by a week with norethisterone is generally considered safe when done occasionally under a doctor’s supervision. It is not recommended for women with certain medical conditions like blood clot history or liver disease.
Will I get my period immediately after I stop taking norethisterone?
You will usually get your period within two to three days after taking your last tablet. It may take a few days longer for some women, but it is typically quick.
Can I use my birth control pill to delay my period instead?
Yes, if you take a monophasic combined pill, you can skip the placebo week and start the next pack. This is an effective method, but it only works if you are already taking this type of pill.

