About Us
Empowering expectant parents and healthcare professionals with accurate, easy-to-understand pregnancy timelines and milestone tracking.
Our Purpose
Pregnancy is a beautiful, complex journey filled with anticipation and questions. Our mission is to provide a reliable, accessible tool that helps individuals track their pregnancy milestones with confidence. We built this calculator to demystify the timeline of pregnancy, offering clear insights into trimesters, your baby's development stages, and important dates without overwhelming users with unnecessary medical jargon. Medically reviewed by Natalie Isaacs, Registered Nurse. This content has been reviewed for medical accuracy based on current guidelines from the World Health Organization (WHO). While Natalie is a practicing nurse with over 15 years of experience, the information on this website does not replace professional medical advice. Always consult your healthcare provider for personalized care.
Who This Tool Is For
Expectant Parents
Whether you are trying to conceive or have just discovered you are pregnant, this tool helps you plan ahead, understand your body's changes, and prepare for your baby's arrival.
Birth Professionals
Midwives and healthcare professionals can use this quick reference tool to discuss timelines, schedule prenatal visits, and educate clients during consultations.
How the Calculator Works
Our calculator uses the standard medical formula known as Naegele's Rule. This is the same method most healthcare providers use during your first prenatal visit to establish your estimated due date (EDD).
A typical pregnancy lasts about 280 days (or 40 weeks) from the first day of your last menstrual period (LMP). The calculation works by:
- Taking the first day of your last menstrual period.
- Adding 7 days to that date.
- Subtracting 3 months.
- Adding 1 year (if necessary).
While this provides a standard baseline, it assumes a regular 28-day cycle. If your cycle is longer or shorter, the calculator adjusts the 280-day timeline to give you a more personalized estimate.
Medically reviewed by Natalie Isaacs, Registered Nurse.
This content has been reviewed for medical accuracy based on current guidelines from the World Health Organization (WHO). While Natalie is a practicing nurse with over 15 years of experience, the information on this website does not replace professional medical advice. Always consult your healthcare provider for personalized care.
Important Medical Disclaimer
This calculator is designed for informational and educational purposes only. Every pregnancy is unique, and only about 4-5% of babies are born on their exact estimated due date. This tool does not provide medical advice, diagnosis, or treatment. Always consult with your doctor, midwife, or qualified healthcare provider for accurate medical assessments, personalized due dates (often confirmed via ultrasound), and prenatal care.