Be the father she can
turn to about periods.
Understand the basics, find words that help, and prepare for everyday needs. Sangtinel gives fathers practical daily guidance so periods can become an easier conversation at home.
App Store release pending · Android testers welcome
Small things that make you more prepared
Start the conversation
Use the education section to get comfortable with the basics. Ask what supplies she'd like to have at home and how she wants you to help.
Phrases that land, and ones that don't
"Say this, not that" guidance built specifically for a father-daughter dynamic - including the well-meaning lines that actually dismiss what she's going through.
Plain-language education
Understand what's actually happening hormonally, in language that doesn't require a medical degree to follow.
A quiet heads up
Estimated cycle reminders help you prepare supplies and leave room for rest. Keep plans flexible and ask how she feels rather than assuming.
Practical, everyday support
Nutrition suggestions and a shopping list you can actually act on, phase by phase.
Private, always
Profiles are stored locally, with optional deliberate sharing. Agree on what to record and who gets a copy, and revisit those choices as she grows.
Guidance that respects the relationship
Gentle, age-appropriate daily guidance.
Plain-language hormone education, when you want it.
This is meant to open the door, not replace it
Sangtinel can help you anticipate what's coming and choose your words with more care - but it's not a substitute for an open relationship with your daughter, or for a doctor when something needs one. Think of it as a quiet assist, not the whole conversation.