Fertile.si
Understand fertility, backed by the science
A fertility and reproductive-health educator - cycles, conception science, and what the research says, explained clearly. Educational only, never a substitute for a clinician.
No card required · $9/mo Plus · $99/mo Premium
What you get
Everything Fertile.si gives you
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Cycle science
Ovulation, hormones, and the menstrual cycle, explained clearly.
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Conception basics
What the research actually says about conception and timing.
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Always clinician-first
Personal decisions are always pointed to a licensed clinician.
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Saved study threads
Sign in free and keep every conversation for later.
Pricing
Simple plans that grow with you
Most popular
Plus
$9/mo
- ✓200 questions per day
- ✓Full saved conversation history
- ✓Plain-language science explainers
Premium
$99/mo
- ✓Unlimited questions
- ✓Extended deep-dive explanations
- ✓Everything in Plus