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related to: calculating baby due dates chart
2. ### Calculate Your Due Date - Easy, Free Due Date Calculator

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5. ### Ask About Pregnancy Online - Get Help from an OB-GYN Now

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2. ### Estimated date of delivery - Wikipedia

en.wikipedia.org/wiki/Estimated_date_of_delivery

Naegele's rule is a standard way of calculating the due date for a pregnancy when assuming a gestational age of 280 days at childbirth. The rule estimates the expected date of delivery (EDD) by adding a year, subtracting three months, and adding seven days to the origin of gestational age.

3. ### Pregnancy - Wikipedia

en.wikipedia.org/wiki/Pregnancy

The first trimester begins with the start of gestational age as described above, that is, the beginning of week 1, or 0 weeks + 0 days of gestational age (GA). It ends at week 12 (11 weeks + 6 days of GA)  or end of week 14 (13 weeks + 6 days of GA). 

4. ### Birth rate - Wikipedia

en.wikipedia.org/wiki/Birth_rate

The birth rate in a period is the total number of live births per 1,000 population divided by the length of the period in years. The number of live births is normally taken from a universal registration system for births; population counts from a census, and estimation through specialized demographic techniques.

5. ### Crown-rump length - Wikipedia

en.wikipedia.org/wiki/Crown-rump_length

An average gestational period (duration of pregnancy from the first day of the last menstrual period up to delivery) is 280 days. On average, this is 9 months and 6 days. Gestational age estimation [ edit] A commonly used estimate of gestational age in weeks is (as described by Verburg et al.  ):

6. ### Probability distribution - Wikipedia

en.wikipedia.org/wiki/Probability_distribution

A probability distribution is a mathematical description of the probabilities of events, subsets of the sample space.The sample space, often denoted by , is the set of all possible outcomes of a random phenomenon being observed; it may be any set: a set of real numbers, a set of vectors, a set of arbitrary non-numerical values, etc.

7. ### Canine reproduction - Wikipedia

en.wikipedia.org/wiki/Canine_reproduction

The average length of the reproductive cycle for females is 2–4 weeks. Females reach sexual maturity (puberty) between 8 and 18 months of age. There is a tremendous variability in the maturation age between breeds, and even within a breed of dog.  1.

related to: calculating baby due dates chart
2. ### Calculate Your Due Date - Easy, Free Due Date Calculator

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