About Us

Welcome to the Pregnancy Due Date Calculator by Dapplesoft. Our mission is to provide expecting parents with accurate, easy-to-understand tools to track their pregnancy journey.

What is a Pregnancy Due Date Calculator?

A pregnancy due date calculator is a tool used to estimate the date your baby will be born. While only about 5% of babies arrive exactly on their due date, having an estimated date is crucial for tracking your baby's development, scheduling prenatal care, and preparing for your little one's arrival.

How We Calculate Your Due Date

Our calculator uses standard medical formulas to provide the most accurate estimate possible without an ultrasound. We support three primary calculation methods:

  • Naegele's Rule (LMP): This is the standard method used by doctors. It adds 280 days (40 weeks) to the first day of your Last Menstrual Period (LMP). We also allow you to adjust for your cycle length if it differs from the standard 28 days.
  • Conception Date: If you know the exact date of conception (ovulation), we add 266 days (38 weeks) to that date. This is often more accurate for women with irregular cycles.
  • IVF Transfer Date: For pregnancies resulting from In Vitro Fertilization, we calculate based on the transfer date, adding 263 days for a 3-day transfer or 261 days for a 5-day transfer.

Why Accurate Due Dates Matter

Knowing your Estimated Due Date (EDD) helps your healthcare provider monitor your baby's growth against standard benchmarks. It determines when you should undergo specific screenings (like the anatomy scan or glucose test) and helps distinguish between preterm, full-term, and post-term labor.

About Dapplesoft

Dapplesoft is a digital product studio dedicated to building helpful, user-friendly tools for everyday life. We believe that health information should be accessible, clear, and free. We created this calculator to give parents-to-be a reliable resource that goes beyond just a date—providing a full timeline of what to expect.

Medical Disclaimer

The content on pregnancycalc.dapplesoft.com is for informational purposes only and is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition or your pregnancy. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.

We wish you a healthy and happy pregnancy journey!