About Us
Free, easy-to-use calculators and clear guides to help you understand your menstrual cycle, fertility, and pregnancy — without the guesswork.
Why We Built This Site
Cycle & Pregnancy Calculators started with a simple observation: understanding your own body shouldn’t require a medical degree or an hour of confusing search results. Whether you’re tracking your period, figuring out your fertile window, estimating a due date, or just trying to make sense of why your cycle looks the way it does, we wanted a place that gives straight, judgment-free answers — backed by a free calculator you can actually use.
What You’ll Find Here
- Free calculators for periods, ovulation, fertile windows, pregnancy due dates, cycle length, and safe days — no signup required.
- Plain-language guides on menstrual cycle basics, ovulation, fertility, pregnancy, and reproductive health.
- Honest answers about what’s normal, what’s worth tracking, and when it’s time to talk to a doctor.
Our Approach
We keep things practical and evidence-informed. Our articles are written to be genuinely useful — not to overwhelm you with jargon or overpromise what a calculator can tell you. Every calculator on this site gives an estimate based on the standard tracking-method math used across reproductive health resources; none of them replace a conversation with a healthcare provider, and we say so clearly throughout the site.
Who’s Behind the Content
Our content is written and reviewed by people who care about getting the details right.
A Note on Medical Advice
This site is for general education and informational purposes. Nothing here is a substitute for professional medical advice, diagnosis, or treatment. Every body is different — if something you read doesn’t match your experience, or you have symptoms that concern you, please talk to a doctor or qualified healthcare provider.