Brown discharge is usually old blood — but the timing tells you exactly what's causing it.
Brown vaginal discharge is nearly always old blood. Fresh blood is red; blood that takes longer to exit the uterus or vagina oxidises and turns brown. This is why the colour alone rarely tells you much — timing is the real clue.
| When It Occurs | Most Likely Cause | Normal? |
|---|---|---|
| 1–2 days before period | Start of period / old uterine lining shedding | Usually normal |
| During period | Old blood mixed with fresh; beginning or end of flow | Normal |
| 1–3 days after period ends | Uterus clearing leftover blood | Normal |
| Mid-cycle (around ovulation) | Ovulation spotting — estrogen drop triggers light bleeding | Normal |
| ~10–14 days after ovulation | Implantation bleeding (if pregnant) | Normal if pregnant |
| On hormonal birth control | Breakthrough bleeding / adjustment | Common; check with doctor if persistent |
| Anytime with odour/itch | Possible infection (BV, STI) | See a doctor |
| After menopause | Needs investigation — could be atrophy or cancer | See a doctor |
Brown spotting in the 1–2 days before your period is one of the most common types and is almost always normal. It represents the very beginning of the uterine lining starting to shed — blood that takes a little longer to travel out and oxidises along the way. If it happens consistently before every period, it's simply your personal pattern.
However, if brown spotting before your period is new for you, heavier than usual, or accompanied by pelvic pain, it may be worth investigating. Conditions like endometriosis and low progesterone can cause pre-period spotting.
Spotting or brown discharge in the 1–3 days after your period ends is simply the uterus clearing out the last of the old blood. This is very common and completely normal. If brown discharge continues for more than 5–7 days after your period ends, or is heavy, see a doctor.
Light brown, pink, or red spotting around the middle of your cycle — typically days 10–16 of a 28-day cycle — is often ovulation spotting. When the dominant follicle ruptures to release an egg, the small drop in estrogen can trigger light bleeding. It's brief (1–2 days) and not concerning.
If you're trying to conceive, ovulation spotting is actually a useful fertility sign. See our guide to signs of ovulation.
If you've had unprotected sex this cycle, brown or pink spotting around 10–14 days after ovulation could be implantation bleeding — when a fertilised egg embeds in the uterine wall. Implantation bleeding is typically:
If your period doesn't arrive when expected, take a pregnancy test.
Healthy vaginal discharge is typically white, off-white, or clear with no strong odour. It changes texture throughout your cycle — watery around ovulation, thicker before your period. Brown discharge is a specific type caused by old blood mixing with cervical fluid. It is not the same as discharge from infection, which usually has a different smell, texture, or colour (yellow-green).
Log cervical mucus, spotting, and discharge every day in WomensPal. Over a few cycles, you'll see exactly what's normal for you — and spot anything that isn't.
Start tracking free →Brown discharge is usually old blood that oxidised before leaving the body. It's most common at the start or end of your period, but can also occur at ovulation or as implantation bleeding in early pregnancy.
Yes, in most cases. Brown spotting 1–2 days before your period is often the uterus beginning to shed its lining — old blood from the start of the bleed. It's very common and not a concern on its own.
Yes. Light brown or pink spotting around 10–14 days after ovulation can be implantation bleeding — when the fertilised egg attaches to the uterine wall. If your period doesn't arrive, take a pregnancy test.
See a doctor if brown discharge has a strong odour, is accompanied by itching or burning, occurs after menopause, continues for more than a week outside your period, or is accompanied by pelvic pain or fever.
Related: Cervical Mucus Guide · Implantation Bleeding · Spotting Between Periods · Period Blood Color Guide