Pregnancy dating by lmp

On average only 5% of births take place exactly on the estimated due date.Most are born within a week either side of the estimated due date.

Patient Platform Limited has used all reasonable care in compiling the information but make no warranty as to its accuracy.

Consult a doctor or other health care professional for diagnosis and treatment of medical conditions.

Your due date is calculated by adding 280 days (40 weeks) to the first day of your last menstrual period (assuming a 28 day cycle).

Note that your menstrual period and ovulation are counted as the first two weeks of pregnancy.

Follow your baby's development week by week in our article series.

We have created a slew of pregnancy calculators and tools to help you through your pregnancy.

That way, regardless of where they trained or where they practice, any two doctors dating a pregnancy will predict the same due date or gestational age.

However, the timing of the actual delivery is not so predictable.

A normal pregnancy can last anywhere between 38 and 42 weeks.

If you want to, you can view a sample due date report.

It is also important to note that the phrase “late-term,” popularly used by the media to describe later abortions, has no medical meaning and is not used in any medical documentation.

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