How Long Does Each Cycle Phase Last?
In an average 28-day cycle, the menstrual phase lasts about 3 to 5 days, the follicular phase about 7 to 10 days, the ovulatory phase about 3 days, and the luteal phase about 12 to 14 days. The luteal phase is the most fixed, so when your cycle is longer or shorter, it is usually the follicular phase that changes length.
Typical length of each phase
Phase lengths vary between people, but these ranges cover most cycles.
- Menstrual: 3 to 5 days (bleeding can last 3 to 7).
- Follicular: roughly 7 to 10 days, the most variable phase.
- Ovulatory: about 3 days around egg release.
- Luteal: 12 to 14 days, the most consistent phase.
Know what your body needs, every day
PhaseBloom turns your cycle into a day-by-day plan for how to eat, move, rest, and care for your skin, so you stop guessing and start working with your hormones.
Why your phases may differ
If your total cycle is longer or shorter than 28 days, the difference usually falls in the follicular phase, since the luteal phase stays close to 14 days. A luteal phase consistently shorter than 10 days is worth discussing with a doctor.
Know what your body needs, every day
PhaseBloom turns your cycle into a day-by-day plan for how to eat, move, rest, and care for your skin, so you stop guessing and start working with your hormones.
Frequently asked questions
Which cycle phase is the longest?
The luteal phase is usually the longest at 12 to 14 days, closely followed by the follicular phase. When cycles run long or short, the follicular phase is what stretches or shrinks, not the luteal.
Why does my cycle length change month to month?
The follicular phase varies with stress, sleep, illness, and travel, which shifts when you ovulate and changes total cycle length. The luteal phase stays relatively fixed once ovulation happens.