Spotting or bleeding outside your usual period is one of the most searched period questions there is, and for good reason. It's confusing, it's under-discussed, and "just track it and see" isn't always enough.
Quick answer: bleeding between periods isn't your period doing something new, it's your body sending a signal. Sometimes it's harmless. Sometimes it needs a doctor. Here's how to tell the difference.
What counts as bleeding between periods?
Any bleeding or spotting outside your expected period window. That includes light pink or brown spotting mid-cycle, a sudden one-off bleed, or bleeding after sex. It's different from your period simply arriving early or late, which falls under irregular periods.
Common, lower-risk causes
- Ovulation spotting, around 12 to 16 days before your next period
- Starting, stopping or switching hormonal contraception
- Perimenopause
- Stress, or a big change in weight, sleep or exercise
Causes worth getting checked
- Uterine fibroids or polyps
- Infections, including STIs
- Hormone imbalances
- In rare cases, more serious conditions including cancer
Rule of thumb: a single light spot around ovulation is rarely a problem. Bleeding that's heavy, recurring, painful, or shows up after sex belongs with your GP, not a search engine.
What about the rest of my cycle?
Your cycle moves through four hormonal phases, each with its own energy, mood and needs. We've mapped the full breakdown, including what to eat and how to train in each phase, in your cycle blueprint.
If it's your periods themselves that are unpredictable, rather than spotting between them, that's a different question. Read our full guide to irregular periods.
Quick answers
Is spotting between periods normal?
Light spotting around ovulation is common and usually harmless. Bleeding that's heavier, more frequent or unexplained is worth a doctor's visit.
When should I worry about bleeding between periods?
If it's heavy, painful, happens after sex, or keeps recurring, book a GP appointment rather than waiting it out.
Does tracking my cycle help?
Yes. Knowing your normal pattern makes it much easier to spot when something's actually off.