## What is the average delivery time for a first baby?

Dilation typically happens more rapidly in active labor than in early labor, your cervix dilates to 6 to 8 centimeters. How Long It Will Last: For many people giving birth for the first time, active labor typically lasts 4 to 8 hours.

**Are most babies born at night?**

Sixty percent of babies are born during the day, between 6 A.M. and 6 P.M. And, 3.5 times as many babies are born at exactly 8:00 A.M., the most common minute to be born, than at the least common, 3:09 A.M.

**What time are most babies born naturally?**

Most babies in the United States are born on a weekday, with the highest percentages delivered between 8 a.m. to 9 a.m., and from noon to 1 p.m., according to a report published Friday by the National Center for Health Statistics.

### How to calculate the expected day of delivery?

LMP Calculation. Depending on the result,you may have to add a whole year to the final date.

**How can we calculate delivery date?**

To calculate the delivery date, the principle is to add 287 days to the start date of your last menstruation. These 287 days correspond to 41 weeks of amenorrhoea (SA), which is considered the average term of pregnancy in France (note that in Belgium, the calculation is rather done from 40 SA).

**How do you calculate expected date of delivery?**

On an average, expected date of delivery is calculated by adding 280 days to the first day of the last menstural period for a cycle duration of 28 days.

#### How many babies arrive on due date?

Babies arrive on their due date about 5% of the time, first time babies are on average a week late, but all moms are different.