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Pregnancy Calculator
First Day of Last Menstrual Period: Select Date
Estimated Length of Pregnancy:
Estimated Conception Date:
Estimated Due Date:

The Pregnancy Calculator above is an estimation of weeks from reported last normal menstrual period and does not constitute medical advice. A missed period does not necessarily mean that you are pregnant, and having a period does not mean you are not pregnant. Only an exam, pregnancy test, or ultrasound by a physician can confirm pregnancy and approximate length of pregnancy. The calculator should be used as a guide only and should not be relied upon for weeks of pregnancy, conception date, or due date. Notice: The Pregnancy Calculator JavaScript Code is Copyrighted by ConsulTel, Inc. September 2005. You must seek written consent from This e-mail address is being protected from spambots. You need JavaScript enabled to view it to copy or duplicate. Legal action will be enforced against violators.