What is a withdrawal bleed?
A withdrawal bleed is the bleeding you get when you stop taking hormones for a few days, most often during the pill-free week or placebo pills of the combined pill. The sudden drop in hormones makes the thin uterine lining shed. It looks like a period but isn't one: you didn't ovulate, so there's no natural cycle behind it. It's usually lighter and shorter.
Withdrawal bleed vs a natural period
| Withdrawal bleed | Natural period | |
|---|---|---|
| What causes it | Stopping hormone pills, patch or ring for a few days | Progesterone falling after ovulation |
| Did you ovulate? | No (if you took the method correctly) | Usually yes |
| Typical flow | Lighter, often 3 to 5 days | Usually 2 to 7 days, can be heavier |
| Cramps | Often milder | Vary, can be strong |
| Timing | Predictable, set by your pack | Varies with ovulation |
| Medically needed? | No | A sign of a healthy cycle |
Why it happens
Combined pills, patches and rings give you steady estrogen and progestin that stop ovulation and keep the uterine lining thin. When you take a break, levels drop and the lining sheds, much like it does at the end of a natural cycle. Because the lining is thin, there's less to shed, so bleeding is usually lighter. That's also why you can safely skip the bleed by going straight into the next pack, if your prescriber agrees.
You can also get withdrawal bleeds in other situations: after a course of progesterone tablets prescribed for irregular periods, during some HRT regimes, and after emergency contraception.
What if your withdrawal bleed doesn't come?
It's quite common to have a very light bleed or none at all, especially after months on the pill when the lining has become very thin. If you took every pill correctly, a missed withdrawal bleed doesn't usually mean pregnancy. But if you missed pills, had vomiting or diarrhea, took medicines that interact, or missed two bleeds in a row, take a pregnancy test.
A tracker can't predict ovulation while you're on the combined pill, because you're not ovulating. It can still log bleeds, spotting, symptoms and mood, which is useful for spotting side effects or for comparing before and after you stop.
Mood and the pill-free week
Some people feel headaches, low mood or irritability during the hormone-free days, a pattern sometimes called hormone withdrawal symptoms. Tailored regimens with shorter or no breaks can help. Others notice mood changes from the pill itself; see birth control and mood.
See a doctor if you have bleeding between packs that lasts more than a few days or keeps happening, bleeding after sex, very heavy withdrawal bleeds, or missed bleeds with a chance of pregnancy. Get emergency care for one-sided leg pain or swelling, chest pain or sudden breathlessness while on the pill.
Frequently asked questions
Is a withdrawal bleed a real period?
No. It's caused by stopping hormones, not by a natural cycle with ovulation. It's fine to call it your period, but it isn't the same thing.
Can you get pregnant during a withdrawal bleed?
If you've taken your pills correctly, you're still protected during the 7-day break. Missed pills before or after the break raise the risk.
When will I get a real period after stopping the pill?
The first bleed after stopping is a withdrawal bleed; your first natural period often comes 4 to 6 weeks later. See period after stopping birth control.
Sources
- NHS: Combined pill: how to take it
- ACOG: Combined Hormonal Birth Control: Pill, Patch, and Ring FAQ
- NHS: The combined contraceptive pill
This page is for information only and isn鈥檛 medical advice. If something worries you, please talk to a doctor.
Keep reading
Can you skip your period on the pill?Yes, you can skip your period with birth control pills by taking packs back to back. Is it safe, which pills work, and what about breakthrough bleeding?
How long after stopping the pill does your period come?Your period after stopping birth control: a withdrawal bleed within days, then your own period usually within 1 to 3 months. What's normal and when to check.
Post birth control syndrome: what's real about your post-pill cyclePost birth control syndrome isn't a medical diagnosis, but post-pill changes are real. What's normal in your cycle after the pill, what isn't, and what helps.
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