Depending on the
hospital, there are also 8 kilometers regardless of the weight before
pregnancy.
Even if it increases more
than 10 kilometers there is also place OK.
It is actually the fact
that the upper limit is not fixed firmly.
Let's introduce
the ideal weight here based on the weight gain amount recommended by the
Ministry of Health, Labor and Welfare.
Let's grasp the Body Mass Index
(BMI) value
The recommended weight
gain is defined by three categories of "obesity" "normal
(standard)" "low weight (thin)".
Let's begin by grasping your physique classification calculated
by BMI (Body Mass Index). Calculation method of BMI value is calculated
from the following formula.
BMI = weight before pregnancy (kg) ÷ height (m) ÷ height (m))
Example) For preweight weight (50 kg) and height (155 cm), calculate at 50 ÷ 1.55 ÷ 1.55, the BMI value is 20.81 I will.
BMI = weight before pregnancy (kg) ÷ height (m) ÷ height (m))
Example) For preweight weight (50 kg) and height (155 cm), calculate at 50 ÷ 1.55 ÷ 1.55, the BMI value is 20.81 I will.
In matters, we will use the BMI value
given here to examine the standard of physique classification and weight gain.
Estimation of body size classification and weight gain by BMI value
Let's take a look at your physique classification with the BMI
value I got. Also, for each body division, the upper limit of the weight
which is regarded as the ideal in the whole pregnancy period is determined, so
let's also see.
BMI value
|
Physique classification
|
Maximum increase
|
Less than 18.5
|
Low body weight (thin)
|
+ 9 kg - 12 kg
|
Less than 18.5 to less than 25.0
|
Usually (standard weight)
|
+ 7 kg - 12 kg
|
Less than 25.0 ~ 30.0
|
Obesity (1 degree)
|
+ 5 kg
|
From 30.0 to less than 35.0
|
Obesity (twice)
|
Individually corresponded ※ 1
|
Less than 35.0 to 40.0
|
Obesity (3 degrees)
|
Individually corresponded ※ 1
|
40.0 ~
|
Obesity (4 degrees)
|
Individually corresponded ※ 1
|
※ 1 It is considered preferable to consult with a doctor.
For physique classifications usually, values close to the
upper limit of the recommended weight gain are ideal when it is close to low
body weight, and values close to the lower limit are said to be good if it is
close to obesity.
Among obesity, if the BMI is about 1 degree of obesity somewhat
higher than 25.0, about 5 kg as a guide is recommended, and in the case of 2 to
4 degrees which exceeds 25.0 significantly, BMI considers the risk and consults
with the doctor It is said that it is desirable.
In addition, the Ministry
of Health, Labor and Welfare also announces the
weight gain of 1 week from the recommended middle term of pregnancy to the end
of pregnancy .
· Low body weight (thin) → 0.3 kg
to 0.5 kg
· Normal (normal weight) → 0.3 kg or 0.5 kg
· obesity → consult a doctor
· Normal (normal weight) → 0.3 kg or 0.5 kg
· obesity → consult a doctor
Too thin, overweight, both need attention
At present it is said that the classification of the physique in
the 20s and 30s is changing, and the proportion of "low weight
(thin)" is increasing.
According to the survey result of 2003, the proportion of
"low weight (thin)" is about 24% for women in their twenties and
about 15% for those in their 30s, the proportion of which has increased sharply
compared to the past.
There is no big change in the
proportion of 'obesity', but when pregnancy 'low body weight (thin)' or 'obesity', caution is
required as trouble during pregnancy and abnormality of labor are high.
Be pregnancy too thin, risk of pregnancy due to overweight
Before pregnancy "Lowerbody weight (thin)"
causes menstrual irregularity and decrease in bone mass, during pregnancy it is accompanied by developmental delay of the uterus and risk of anemia, low birth weight infants and premature births And the risk of premature birth increases.
In the case of "obesity" before
pregnancy, the possibility of causing pregnancy hypertension syndrome and glucose metabolism abnormality during pregnancy increases, and at the time of birth giant children and the cesarean section rate increase.
pregnancy, the possibility of causing pregnancy hypertension syndrome and glucose metabolism abnormality during pregnancy increases, and at the time of birth giant children and the cesarean section rate increase.
Risk in case
of little weight gain during pregnancy
In addition, if your weight gain during pregnancy is low, you
are at a higher risk of anemia, delayed development of the uterine fetus,
imminent abortion or premature labor.
In recent years, childbirth of low-birth-weight infants is
increasing, considering weight during pregnancy. It has been clarified
that babies born small are likely to be susceptible to lifestyle diseases in
the future.
Risk in the event of significant weight gain during pregnancy
Besides risks similar to obesity, besides premature rupture, relaxed bleeding, and slight labor, it tends to be difficult to give birth at birth and the risk associated with childbirth also tends to be high, so correct weight management during pregnancy is becoming more important I will.
Of course it is best to take care of your health before
pregnancy, but during pregnancy you need to control yourself, especially in
order to give birth to healthy babies.
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