上海助孕医院多少钱~What are the estimation methods of the expected date of delivery？

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What are the estimation methods of the expected date of delivery？
Method for estimating the expected date of delivery: Menstruation Intensive Algorithm This is the most common calculation method。
Based on 2
8。
0 days (4。
0 weeks), the last menstrual period is incremented by 9。
(or us 3。
) on the month of the day, and then add Seduce
to the date, it can be calculated.
For example, the date of the last menstrual period is January 15.
th, then 1 plus 9 is equal to 10.
, 15 plus 7.
equal to 22, the expected date of delivery is October 22.
As another month, the last menstrual period is from September 25th, then 9 us 3 is equal to 6.
, 25 plus 7 equals 32, the expected date of delivery is June 32, but only 30 days in June, so it can be calculated as July 2.
This inverse algorithm is based on 28 days of menstrual cycle, so it must be corrected according to the length of the month.

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Note: If the last month is negative, it can be exchanged to the calculation of the solar calendar.
Or add a last menstrual period with 9 or us 3, and add 15 days.

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2 Expenditure Method 2: Early pregnancy induction algorithm This estimation method is generally used for the time of pregnant women who do not know the last month, or lactation, clutch pregnancy.
General pregnancy response occurs around 6 weeks, then, the estimated period of pre-production period is: 34 weeks in the early birth of the pregnancy period, for the date of childbirth.

Note: Most pregnant women will have a phenomenon in the 4th and 5th weeks.
At the beginning of the shun, add 250 as the expected date of delivery.
But during the start of the gestation, it will vary from person to person, and it is not an accurate approach.

3 预产期的推算方法三：胎动推算法 一般情况下，北京上海代孕妇能发觉胎动出现是在北京上海代孕18~20周，那么按胎动推算预产期的方法是在胎动出现日期再加上20周，这就能推算出About the expected date of birth.

Note: Feel the fetus in the body (uterus) activity, called "conscious fetal movement".
It is the first to feel fetal movement, which is generally between 19 weeks and 20 weeks of pregnancy. It is the 5th month (20 weeks) in the pregnancy calendar, so it is expected to be in the expected date of delivery.
Consciousness of the fetal movement often varies from person to person, so this algorithm is not accurate.

4 Expenditure method of expected date of birth 4: B ultrasound algorithm mainly calculate the b super test fetal double top intermediate, head arm length and femur length.
Through B-ultrasound, measure the baby's body data of the baby's double top diameter, the head circumference, femur length, abdoal circumference, etc., which is similar to the three surroundings of adults), or the expected date of delivery can also be estimated.
Pregnant mothers don't understand these data, it is generally not related to the B-ultrasound, "1st age ** week + * day.
"

Note: Save your earliest B-ultrasound, the earliest B-ultrasound is the key to calculating an accurate expected date of delivery.

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5 Expenditure method of expected date 5: If the body temperature can be calculated in accordance with the basic body temperature curve, the ovulation is approximately 266 days to 270 days.
Ovulation can also be considered a fertilizer day, so this method is extremely accurate.
In the curve of the basic body temperature, the last day of the low temperature period is ovulation day, plus 38 weeks (266 days), or adds 9 in the month of this day, and the number of days is reduced by 7 is the expected date of delivery.
In order to continuously measure the body temperature, this method can be soon learned if pregnant is pregnant.
As long as the high temperature state lasts more than 16 days, it may be a pregnancy indication. If there are 90% of the possibility for 18 days, 95% in 19 days, 20 days, may be detered to be pregnant.

Note: However, in order to avoid abortion or contraception, the yellow body will increase the body temperature, and it is not possible to judge whether it is pregnant with the basic body temperature curve.

6 Expedition method of the expected date of birth Six: uterine induction algorithm If the last menstrual date is unclear, pregnant women can also estimate the expected date of birth by mass at the height of the uterite.
At the end of April, the pregnant woman is high in the navel and the shame (10 cm on the pubic bone); the end of the pregnancy, the uterus is in the umbilical 2 horizontal refers to the navel (16-17 cm on the pubic); the end of the uterusNavel (19-20 cm on the pubic bones); at the end of the pregnancy, the uterus is in the umbilical three horizontal finger (published 22-23 cm on the pubic bones); the midway of the hometown of the umbilical cord of the umbilical (shame 24-)25 cm); in September, the end of the uterus is 2 horizontal fingers (published 28-30 cm on the pubic bones); the height of the uterus is revert to eight months, but the abdoal circumference is eight monthsMonth time.

Note: About the calculation method of the expected date of delivery, it is more accurate according to the last menstrual period, and the B-ultrasound calculation method is more accurate, but no one will say that it is more important to the you must.
Because individual menstrual cycles and physical factors can cause a slight change in the expected date of delivery.

7 Health Tips The calculation method of the expected date of birth, if the last menstrual date is not accurate, it is easy to make a mistake, and may wish to correct the above method.
此外，由于预期的交付日期只是分娩日期的估计，因此它不是一个精确的日期。
然而，预期的出生日期可以提醒您北京上海代孕胎儿安全的时间范围，但这一天看起来不太准确。
它已准备好在37周内为分娩准备，但不要过于焦虑，听到其性质，如在北京上海代孕41周，没有分娩迹象，有条件住院或及时诱导。

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