Pregnancy & Cycles

Due dates, pregnancy weeks, ovulation estimates, periods and baby age.

• Baby Age and Corrected Age Calculator A baby’s age in months, weeks and days, with corrected age if born before 37 weeks.
• Conception Date Calculator Estimate when conception probably happened, from a due date or the last period.
• Next Period Calculator Estimate the next six period start dates from the last period and cycle length.
• Ovulation and Fertile Window Calculator Estimate ovulation and the fertile window for this cycle and the next two, from the last period and cycle length.
• Pregnancy Due Date Calculator Estimate a due date from the last period, a conception date or an IVF transfer date.
• Pregnancy Week Calculator How many weeks and days pregnant, the trimester and the days to the due date, from the last period.