Pillar · 4 lessons
The Body
Anatomy, hormones, and how the cycle actually works.
The biology — from the pituitary to the pelvis — explained in plain English. No pastel euphemisms, no vague 'hormonal' hand-waving.
starter · 8 min · for menstruator, parent, partner
The menstrual cycle in 8 minutes
The four phases, the hormones that drive each one, and what your body is actually doing behind the scenes.
core · 9 min · for menstruator, parent, partner, clinician
Hormones 101: estrogen, progesterone, LH, FSH
Meet the four hormones that run your cycle — what each does, when it peaks, and why it matters when one is off.
core · 7 min · for menstruator, partner
What ovulation actually is
The 24-hour event that most cycle education skips — how it's triggered, how to spot it, and why it matters even if you're not trying to conceive.
core · 8 min · for menstruator, parent, partner
Period pain: prostaglandins, referred pain, and red flags
Why cramps happen, why some people's are worse, and when pain stops being 'normal' period pain.
