The Journal

Menstrual phase: what's happening on your period, and how to feel better

The menstrual phase is your period: day 1 of your cycle to about day 5. Here's what your body is doing, what's normal, and gentle ways to feel better.

Cycle phases · October 9, 2026 · 3 min read

Luteal phase: how long it lasts, symptoms and PMS

The luteal phase is the stretch from ovulation to your next period, usually 12 to 14 days. Progesterone rises, and later on, PMS can show up. Here's what's normal.

Cycle phases · October 9, 2026 · 3 min read

Follicular phase: how long it lasts, hormones and how it feels

The follicular phase runs from the first day of your period to ovulation. It's the part of your cycle that varies most, and often when energy starts to lift.

Cycle phases · October 9, 2026 · 3 min read

Why period data privacy matters — and how we think about it

Your cycle data is some of the most sensitive information there is. Here's why that deserves real protection, and the promises we build Periodiva on.

Privacy · September 28, 2026 · 2 min read

The four phases of your cycle, gently explained

Your cycle isn't just your period — it's four distinct phases, each with its own energy. Here's what's happening and how to work with it.

Cycle basics · September 22, 2026 · 2 min read

Eating for your cycle: a phase-by-phase guide

Your appetite and energy shift across the month — and so can the way you nourish yourself. A simple, non-restrictive guide to cycle syncing your plate.

Nourishment · September 18, 2026 · 2 min read