How Much Can PCOS Actually Delay Your Period?
3 months ago
I've been diagnosed with PCOS and my cycles are unpredictable. I want to understand how much delay PCOS actually causes - days, weeks, months? Can it make you miss a period completely?
Answers (1)
PCOS can delay a period not just by days, but by weeks or months. In severe cases, some women with PCOS go months without a period (oligomenorrhea) or stop having them entirely (amenorrhea).
Here’s why: PCOS disrupts the hormonal signals that trigger ovulation. Without ovulation, there’s no progesterone surge to schedule a period. The uterine lining keeps building until it becomes thick enough to shed on its own – but that timing is unpredictable.
What “irregular” looks like with PCOS:
- Cycles longer than 35 days (normal is 21-35)
- Fewer than 8 periods per year
- Or missing 3-6 periods annually
Some women with PCOS have relatively regular cycles; others go 60-90 days between periods or longer.
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