# expected date of delivery

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## expected date of delivery

An estimate of the date on which a baby will be born. This is an arbitrary calculation based on a statistical average gestation period of 266 days, counted as 280 days from the date of the first day of the last menstrual period.

## Patient discussion about expected date of delivery

Q. How many women actually give birth on their EDD (expected delivery date)? I am pregnant and my EDD is January 22nd. I was wondering what are the chances I will give birth on that day exactly?

A. If it's your first pregnancy, you probably will give birth after your EDD, as first pregnancies tend to be longer. Your EDD is after a full 40 weeks of pregnancy. It is most common to give birth between 38- 42 weeks of pregnancy.

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This means extending the 'protected period' from at least 6 weeks before the expected date of delivery to at least 6 weeks after.
When the expected date of delivery was postponed more than 7 days as a result of ultrasonographic dating, the risk of a small-for-gestational-age infant increased
This will provide an accurate calculation of the expected date of delivery from the date of conception.
We need to remember that the "expected date of delivery" is only an estimate of probable term gestation.
Pregnancy beyond 42 weeks or 294 days often invokes maternal concern about delay past the expected date of delivery. The incidence of postdate pregnancies is between 4-14%.
Considering the anxiety of patients and obstetrician and a tendency to induce beyond expected date of delivery, this topic is taken to study the outcome of pregnancy which has crossed the expected date of delivery.
The expected date of delivery is early 2011," he added.
It added: "Once your pregnancy has entered its 28th week we ask that you carry with you a letter from your obstetrician stating the pregnancy is uncomplicated and confirming the expected date of delivery."
Patients with NYHA class I disease were admitted two weeks prior to their expected date of delivery, patients with NYHA class II disease were admitted between 32-34 weeks of gestation or earlier in presence of complication, and patients with class III and IV disease were admitted as soon as they were diagnosed.
The system would hold all essential information related to the services, such as procedures, fees, number of employees involved in providing the service, expected date of delivery and whether the service is G2G, G2B or G2C, he noted.

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