Why Is My Period Coming So Early? Common Causes Explained
Quick Take: An early period can be harmless—especially if your cycle usually runs shorter than average. The real question is whether you’re seeing true period bleeding or lighter spotting, and whether the timing change shows up again. Common reasons include stress, weight changes, intense exercise, puberty, and perimenopause. Birth control changes and emergency contraception can also shift when bleeding happens. If bleeding is heavy, painful, happens after sex, or keeps recurring for 2–3 cycles, get medical advice. If pregnancy is possible, test based on your missed period and any symptoms. When “early” is still normal: cycle length, spotting vs. a
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