Why am I spotting before my period?

Because the days right before your period are when progesterone, the hormone that has been holding your uterine lining in place, is falling, and that fall does not always happen in one clean step. A partial or early dip in progesterone a day or two before your period is due can be enough to loosen the surface of the lining ahead of schedule, which shows up as light spotting rather than a period.

The mechanism is the same one behind your period itself. Once the corpus luteum starts to fail near the end of the luteal phase, progesterone falls, and that fall triggers local changes in the top layer of the endometrium: inflammatory signals and enzymes rise, and the small spiral arteries feeding that layer constrict. A full withdrawal breaks the layer down all at once, and that is your period. A smaller, earlier dip can set off a milder version of the same process first, which is the spotting some women notice beforehand.

Other things can produce a similar pattern and are worth knowing apart from it.

• Hormonal birth control or a hormonal IUD. Breakthrough bleeding from a missed pill, a new prescription, or the first months on a hormonal IUD often lands in this same window and can look identical to premenstrual spotting.
• A cycle where ovulation did not happen as expected. Without a corpus luteum producing progesterone on schedule, the lining can shed irregularly rather than all at once.
• Something unrelated to the hormonal cycle, such as a cervical polyp or an infection. This is one reason bleeding that does not fit the pattern below is worth having looked at rather than assumed.

Spotting like this is a different question from whether your hayd has started. What actually counts as hayd is blood with a specific colour, thickness and smell, and light premenstrual spotting often does not meet that on its own, especially if it stops and real bleeding follows a day or two later. Where it gets harder to read is spotting that does not stop and simply continues into your usual bleeding; that is a question of telling istihadah apart from hayd, not one this page can settle for you. If what you are seeing is brownish or yellowish staining rather than red blood, sufrah and kudrah is the more specific question, since the ruling turns on timing in a way a general "is this normal" cannot capture.

See a doctor if the spotting is heavy enough to need a pad, lasts more than a couple of days, happens after sex, or shows up outside this specific pre-period window. Bleeding after menopause, in particular, is never expected and always needs to be checked. None of this is something to work out from a search; it is exactly what a clinician evaluates against your own cycle rather than a general rule.

Spotting is a different question from your period simply arriving late; if it's the timing rather than the bleeding pattern that has you wondering, why your period might be late covers the more likely reasons for that instead. If it's the overall length of your cycle you're unsure about rather than a single spot of blood, what counts as a normal cycle length covers that separately.

What actually helps here is knowing whether the spotting lands on roughly the same day of your cycle each month or moves around, because that consistency is what separates an ordinary pattern from one worth investigating. A period tracker built for Muslim women that timestamps bleeding rather than marking a single date on a calendar is what makes that pattern visible instead of something you are trying to recall from memory. If Flo is what you are using now and it is not built for that distinction, see how the best Flo alternative for Muslim women compares.