Lesson 41- Calculation Of Gestational Age And Due Date
How many days I look forward, how many days I look, how many days I expect you to be born….
This sentence probably many mothers know, because of her true mood, pregnancy only awaits, looks, expects, waits ... the due date.
What is the due date?
The estimated date the baby will be about 40 weeks old - NOT it must be a normal birth day. Only about 1 in 20 mothers give birth on this date, the rest may be earlier or later within 1-2 weeks.
Each baby has only 1 due date, calculated in the first 3 months of pregnancy
If you visit different places, different times, the doctor gives you a different delivery date, you can find a reliable place to have a prenatal check-up, ask the doctor to review, choose a certain due date based on the results (usually ultrasound) available.
Ways of calculating the due date
Based on the first day of the last menstrual period, the calculation:
The first day of the last period (the first day of menstruation)
Plus 7 days
Month minus 3
Student Y has the mantra "the date plus 7, the month minus 3, the year plus 1".
In this way, the gestational age is calculated to begin before it is actually there. But because no one can know the exact date of ovulation, the time of conception, only the date of menstruation is the correct information, so Medicine chose this day. This method applies to women who have regular menstrual period - 28 days, remember the right time to start menstruation. Do not apply to irregular menstrual cycles, remember to forget the date of menstruation.
Based on ultrasound in the first 3 months of pregnancy: The sonographer measures the baby, estimates the current number of weeks and calculates the 40-day round as the due date.
For postpartum pregnancy support, the calculation of gestational age will be based on the date of egg aspiration, embryo transfer or sperm injection
Currently, there are many software, apps, and web that help you calculate your due date conveniently.
You only need to enter the first day of the last period (or gestational age and ultrasound date) to know the date of delivery, the current gestational age, without counting or subtracting (I will write an example link for you in the comment - see the original post link at the end of the reference to read the comment).
It is important to tell you about your due date
You need to remember the exact due date, because the doctor will use that to calculate the age of the fetus quickly, easily, contributing to better monitoring, diagnosis and care of the baby.
Nothing in life is absolute, Medicine is not. The concept of a due date helps the doctor estimate the gestational age, monitor fetal development for timely and necessary interventions. For example: which gestational age - what tests to do, what intervention to do. The calculation of the due date in the whole world applies, not only in Vietnam. It doesn't make sense if this calculation is ridiculous, inconvenient, and people use it.
Why choose 40 weeks? Because after that time, but the uncertainties related to pregnancy increased many times.
This is based on research, statistics and selection, not naturally beautiful and then selected. Early antenatal care and accurate pregnancy calculation are extremely important.
It is normal to "get married 4 weeks - 6 weeks pregnant" - that proves that you and your husband are lucky, choose the right good day and get married, to be motivated around the time of ovulation. But suppose that two people who love each other, get married, mature enough to be responsible, knowledgeable enough to raise their children, marry 4 weeks - what about 8 weeks pregnancy? It is your personal opinion, do not make your personal opinion controversial dentist.. . Dịch vụ: Thiết kế website, quảng cáo google, đăng ký website bộ công thương uy tín
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