Last Menstrual Period (LMP)
Naegele's Rule: Due date = LMP + 280 days (40 weeks)
Your Pregnancy Timeline
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Enter the first day of your last menstrual period
Calculate your expected delivery date based on your last menstrual period (LMP).
Naegele's Rule: Due date = LMP + 280 days (40 weeks)
Enter the first day of your last menstrual period