1, early pregnancy: the growth and development of the fetus in this period are slow,
pregnant woman
Go through a series of bodies
physiology
Adjustment process. Many pregnant women in this period are often due to
endometrium
Change,
placenta
The hormones produced by the gastrointestinal tract.
smooth muscle
The tension decreases,
vitality
Weakening, resulting in food in the stomach
dwell time
Prolonged, often nausea and vomiting,
appetite
Reduce the phenomenon and affect the meal. Therefore,
meals
Should eat less and eat more meals, easy to digest, light-based, to avoid excessive greasy and
thrill
strong
food
. Food and drink should be guaranteed.
High quality protein
The supply of,
mineral salt
and
vitamin
The number of the most need to be enough. Attention, take it in early pregnancy.
folic acid
Can prevent neural tube malformation; Be less exposed to radiation in the first trimester.
2. The second and third trimester of pregnancy: the early pregnancy reaction has stopped, the growth and development of the fetus are accelerated, and the nutrition is improved.
variety
Should pay attention to diversity, in order to meet all kinds of.
nutrient
Balanced supply. l). Enough cereals (400-450g per day), except rice,
flour
Outside, can be eaten properly.
coarse food grains
Such as millet,
corn
、
rolled oats
Wait,
B family
Vitamins and certain
amino acid
It is often better than rice in miscellaneous grains. 2) Poultry meat, fish and so on.
animal foodstuff
and
bean products
It's food
protein
Source, can be appropriately increased, there are 1-2 times a week animal offal,
kelp
or
laver
And the like to supplement vitamins and certain trace elements. 3). Green leafy vegetables are rich in carotene, B vitamins and vc. You should eat a certain amount every day, and fruits are also needed, but you can't "replace vegetables with fruits". There are 225 grams per day.
milk
It is very useful for supplementing protein, especially calcium.
benefit
Pay attention to avoid taking too much in the second and third trimesters of pregnancy.
tonic
And various vitamin and trace element preparations (except when necessary) to avoid poisoning or affect fetal development.
dosage
Vc can interfere with the physiological process in the fetus, causing
After birth
Dependence on vc.
Pregnant women should also be appropriate.
Control weight
It is generally believed that the whole
gestation
Increase body weight10-12.5 kg, including fetus, placenta and
amniotic fluid
4kg, uterus and
breast
1.3kg、
blood
1.5kg、
extracellular fluid
1.2kg、
fat
Store 4kg. The body weight did not change much in the first trimester, increased gradually in the second trimester, and increased rapidly in the third trimester, with a steady increase of 0.35—0.45kg per week. Prepregnancy emaciated
woman
You can gain more weight, while overweight and obese women gain less weight.
The principle of taboo: after normal pregnancy, women should eat some because of their physiological needs.
high protein
, multivitamins, more
cellulose
And avoid high-fat and salty food; It is advisable to eat rich and juicy food that is easy to digest, and avoid eating it.
raw or cold food
Cold food; Eat fresh.
Fruits and vegetables
, avoid eating spicy and exciting, or
smell of fish or mutton
Odor, or greasy and sticky, or hot and explosive, help fire.
damage to yin
Food, avoid eating.
cigarettes and wine
, especially strong liquor.