My last menstrual period was July 29, 2010, what is my due date?

Calculation method: From the first day of the last menstrual period, the month is minus 3 or plus 9, and the date is added 7. If it is a lunar calendar, the date is added by 15

What we write in our textbooks is that we don't know the exact start date of your menstrual period, and we can't help you calculate.

The expected date of delivery is calculated based on the last menstrual period, that is, from the first day of the last menstrual period, and the specific algorithm is the month of the last menstrual date plus 9 or minus 3 to be the number of months of the expected date of delivery; The number of days plus 7 is the expected date of delivery. For example, the last menstrual period is February 1, 1985, date 1 + 7, month 2 + 9, due date = November 8, 1985 is the expected date of delivery.

If the last menstrual period is April 15, 1985 Date 15 + 7, Month 4 - 3 , due date = January 22, that is, the expected date of delivery is January 22, 1986.

In this way, you should be: 10-3=7 (month) 5+7=12 (date) It should be born around July 12, 2010. However, there is some error in this calculation, but it will not be too much, and the normal delivery should be in July.

The doctors at the Guangzhou Yangtze River Medical Outpatient Department in Tianya Garden are full of good people and have seen my illness, and the doctors are good.

Dig the same as mine on April 7, 2011.

It was April 7, 2011, and it is normal to give birth two weeks earlier or two weeks later.

Since it is difficult for every pregnant woman to accurately determine the time of conception, it is medically stipulated that the expected date of delivery is calculated from the first day of the last menstrual period, and the entire pregnancy period is 280 days, 10 gestation months (each gestation month is 28 days, that is, 40 weeks).

There are several common ways to calculate the due date:

1. Calculation method of the last menstrual period: subtract 3 from the month of the last menstrual cramp (add 9 if it is insufficient) or add 9 directly to the month, and add 7 to the number of days, which is the expected date of delivery. For example, your last menstrual period starts on March 5 and your due date is December 12 of the same year.

2. Calculated by the day of fertilization: If the date of fertilization is known, 38 weeks (266 days) from this day is the expected date of delivery. If the person using basal body temperature knows the day of ovulation, the day of fertilization can be calculated. This is more precise than the method of calculating the due date from the start date of the last menstrual period.

3. Presumption from uterine size: the number of weeks of pregnancy is determined according to the height of the uterine fundus.

4. Ultrasonic (B-ultrasound) detection method: For people who are uncertain about the start date of their last menstrual period, this Zheng Ji is a more accurate method. Since the size of the fetal sac, the length of the fetal head to the buttocks, and the interparietal diameter on both sides of the fetal head can be calculated, the number of weeks of pregnancy and the expected date of delivery can be calculated from this value.

Among them, the method of calculating the expected date of delivery from the date of the start of the last menstrual period is the most commonly used.

It's 27 weeks + 2 days, and the due date is July 4, 2012.

The due date is July 5 this year.

The month of the last menstrual date plus 9 or minus 3 is the number of months of the expected date of delivery; The number of days plus 7 is the expected date of delivery. Example: Last menstrual period was 1985 due date.

February 1, date 1 + 7, due date = November 8 (85 years).

Hello: The number of days of pregnancy, gestational week and expected date of delivery are all calculated from the date of the first day of the last menstrual period, which is inconsistent with the actual pregnancy time, and the actual pregnancy time is the ovulation period after the last menstrual period.

The due date is calculated as the number of months of the last menstrual period plus 9 (or minus 3) and the number of days plus 7.

The last menstrual period was on July 28, 2010, and by February 23, 2011, she was 209 days pregnant, 29 weeks + 6 days.

The due date is May 5, 2011.

A full-term pregnancy lasts about 280 days (about 40 weeks) and is normal if it is delivered within two weeks before or after the expected date of delivery.

If the menstrual cycle before pregnancy is irregular, or the cycle is long, it is recommended to use ultrasound or other related examinations, but ultrasound examination usually has an error of about a week.

Hello: The due date is calculated by adding 9 or minus 3 from the month of the first day of the last menstrual period to be the number of months of the expected date of delivery, and adding 7 days to the number of days of the expected date of delivery, so as to calculate your due date as May 5, 2011. x

Hello: Your due date is on May 5th, and it is normal to give birth within two weeks before and after all the indications are normal.

Hello, your due date is May 4th, 2011.

Hello: The due date is calculated from the date of the first day of the last menstrual period.

The due date is calculated as the number of months of the last menstrual period plus 9 (or minus 3) and the number of days plus 7.

Her last menstrual period was May 29, 2010, and her expected date was March 7, 2011.

By August 21, 2010, she was 84 days pregnant, 12 weeks+.

A full-term pregnancy lasts about 280 days (about 40 weeks) and is normal to give birth within two weeks before or after the expected date of delivery.

The expected date of delivery is calculated from the date of the first day of the last menstrual period.

The due date is calculated as the date of the last menstrual period: month plus 9 days plus 75 + 9 = 14 29 + 7 = 36

Your due date is March 6, 2011.

Generally, the date of pregnancy is calculated from the first day of the last menstrual period, and the expected date of delivery is also calculated based on this day, and the rest is not important.

Calculation of the expected date of delivery.

Expected date of delivery month Month -3 on the first day of the last menstrual period (add 9 if it is under April) 5-3 = 2

Number of days due date The number of days on the first day of the last menstrual period +7. If it is more than a full month, the number of months is added to one month, and the remainder is the expected number of days.

Your due date is probably March 6, 2011.

Hope it helps.

Hello: The calculation method of the expected date of delivery is the month of the first day of the last menstrual period plus 9 or minus 3, which is the number of months of the expected date of delivery, and the day plus 7 is the number of days of the expected date of delivery. x

Hello: May 27, 2010 is 19 weeks + 3 days (136 days) pregnant, and the expected date of delivery is around October 21, 2010.

A full-term pregnancy lasts about 280 days (about 40 weeks) and is normal if it is delivered within two weeks before or after the expected date of delivery.

In addition, the expected date of delivery is calculated from the date of the first day of the last menstrual period.

The due date is calculated as the number of months of the last menstrual period plus 9 (or minus 3) and the number of days plus 7.

B ultrasound examination is based on the fetal development to estimate the pregnancy time, and the expected date of delivery is based on the entire pregnancy period of 280 days, that is, 40 weeks of gestational to reverse, then on May 27 B ultrasound examination is 19 weeks plus 3 days of pregnancy, from this time, there are still 20 weeks plus 4 days before the expected date of delivery, then the expected date of delivery should be about October 18.