The 4 cycle phases
A cycle has four phases: period, follicular, ovulation and luteal. Energy and mood can change with each one.

Cycles of 21 to 35 days are normal. Talk to a doctor if yours is far outside this.
At a glance
Do
- Track your cycle dates
- Change your pad or product on time
- Drink water and rest when you need to
Do not
- Do not feel shy or hide your pain
- Do not use one product for too long
- Do not ignore very heavy bleeding or fainting
Before you start 0 / 3
Steps

Menstrual (days 1-5): bleeding, rest and warmth help.

Follicular (days 6-13): energy rises, good time to learn and move.

Ovulation (around day 14): an egg is released.

Luteal (days 15-28): mood swings and cravings are common (PMS).

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Last reviewed: 31 October 2026 · About and sources
Sources
Compiled from these public health sources. This is education, not medical advice.