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How a Pregnancy Calculator Works
By Lynn Shannon M Bailey

What Is Pregnancy Calculator

When will my baby arrive? That is a common question asked by pregnant mums and is excited to know their baby's due date. Pregnancy calculator is a simple tool for those who wish to confirm whether they are pregnant or not. This is based on your menstrual period, symptoms that you have and the tests that you have done. Pregnancy normally lasts from 37-42 weeks from the first day of your last period. This is also used to figure out the due date and compute the likely conception date. This tool can also determine the end of the first and second trimesters, determine the weeks you've been pregnant, estimate foetal age, determine the weeks you are pregnant over a given date, estimate which date you'll be pregnant the particular number of weeks, and figure out the possible conception date when you realize the birthday or due date.

The Uses Of This Pregnancy Tool

An important use of pregnancy calculator is usually to figure out the due date and compute the likely conception date. This tool can compute the end of the first and second trimesters, determine the weeks you've been pregnant, estimate foetal age, determine the weeks you're pregnant using a given date, estimate which date you'll be pregnant the specified number of weeks, and figure out the probable conception date when you recognize the birthday or due date. Despite the uses of this tool, it is ideal to consult your health care provider as soon as you think you are pregnant. This kind of tool is fantastic to utilize together with an in depth week by week pregnancy calendar.

How To Calculate Your Due Date

Ovulation and fertilization occur on day 14 of a 28 day menstrual cycle. This is equal to 280 days since the start of the last period, before allowing for cycle length adjustments. A manual pregnancy calculator is based on the original formula observed by Franz Naegele, an obstetrician and German professor in the 19th century. The formula shows that it should work back three months from the day of a woman's last period and add a year. A more accurate pregnancy calculator can be gained by the use of ultrasound scans. The ultrasound is non-invasive and it is used to check the baby's condition. The radiographer measure the size of the growing embryo to predict the likely birth.

Additional Tips:

A normal pregnancy usually goes to full term that normally lasts from between 38 and 42 weeks. However, you should bear in mind that the average month is for weeks and several days long, not precisely four weeks. For this reason, your health care provider compute how many weeks pregnant you are, as measuring pregnancy by weeks is a far more accurate means to determine length of pregnancy.

Most calculators are based on a gestational period of 40 weeks from the first day of a woman's last menstrual flow. This is estimated by a woman's ovulation and conceives approximately 2 weeks after the first day of your last menstrual flow and carries the baby for 38 weeks.

If you would like to find out more information on pregnancy trimester visit New Born Baby. We offer help and advise on baby naming ceremonies as well as Benefits of Using a Pregnancy Calculator.

Article Source: http://EzineArticles.com/?expert=Lynn_Shannon_M_Bailey
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