Fetal chart at 3 weeks of pregnancy and changes in height and weight

You may not feel anything at this time, but a change is going on in your body. From now on, Your life will add a responsibility. At this time, you will not know that a small life has quietly started to grow in your body. You may have a phenomenon that your body temperature is higher than normal in the near future, but You don't feel anything yet. After the fertilized egg undergoes 3-4 divisions, the baby's cells begin to generate continuously relying on the nutrients in the egg. The two-person world between you and your husband will also come to an end, your baby will be happy with you, and your motherly nature will be brought into full play.

How to increase the chances of conception?

• Happy mood: If you are in a bad mood and nervous, it can lead to endocrine disorders and inhibit ovulation. Therefore, women who are preparing to conceive should be calm and optimistic, which is the basic condition for pregnancy.
• Maintain an appropriate weight: Studies have found that underweight women may cause infertility. Therefore, during pregnancy, you must not diet, pay attention to nutrition, and maintain an appropriate weight.
• Reduce bumps: Experts have found that excessive bumps can affect hormone production, leading to changes in the regularity of menstrual cycles and ovulation, which can affect conception. Therefore, during pregnancy, women should reduce strenuous activities, and men should ride less bicycles. Cycling for too long will cause the testicles to oscillate continuously, which may affect spermatogenesis.
• Irrigation of the vagina with alkaline solution: Irrigation of the vagina with sodium bicarbonate (baking soda) solution before intercourse can improve the pregnancy rate. The mucus secreted by a woman's cervix can prevent sperm from entering. After cleaning the vagina with a baking soda solution, the cervical mucus can be thinned, which is conducive to the passage of sperm.
• Pay attention to the body position in the same room: You can use a pillow or other soft object to cushion the woman's buttocks during the same room, so that her body is in a high position with her head lower than her hips. After intercourse, the woman lies on her back for another half an hour, which can prevent semen from flowing out of the vagina, promote sperm into the uterine cavity, and increase the chance of conception.

Physiological changes in pregnant women



From the moment a fertilized egg is formed, the environment has an impact on new life. Therefore, prenatal education should start when the sperm and egg are combined. Maternal nutrition, diseases, drugs taken, and endocrine changes caused by pregnant women's emotional changes all constitute the chemical environment for the growth of new organisms; the temperature, pressure in the uterus, the body posture and movement of the mother, and the sounds inside and outside the body constitute the The physical environment in which the fetus grows. All these direct and indirect stimuli can have beneficial or detrimental effects on the physical and psychological development of the fetus. If we pay attention to nutrition during pregnancy, prevent disease, do not abuse drugs, and maintain a good mood, it will lay a solid foundation for the healthy growth of the baby.

In the 3rd week of pregnancy, the endometrium becomes thicker, the cervix becomes more flexible, and a small number of mothers will have blood in the leucorrhea or very little vaginal bleeding (spotting) when the fertilized egg implants. At this time, it is not the time for menstruation, and you still don't know that you are pregnant! At this stage, the baby is small to insignificant in the eyes of the mother. After the egg and the sperm are combined in the upper 1/3 of the fallopian tube, they will reach the uterus after three to four days of movement. The fertilized egg undergoes rapid division. A mass of cells, the inner cells will develop into the embryo and the outer cells will form the placenta.

A few days after conception, the fertilized egg hides in the lining of your uterus and begins to grow. A baby is taking shape! You may not know you are pregnant yet, but at the end of the week you may notice a little bleeding. This little blood may be caused by the egg hiding in the blood-rich lining of the uterus. The bleeding is fairly minor, and most women don't even notice it.

Soft breasts are another early sign of pregnancy and can last up to three months. Your breasts may feel swollen, sore, tingly, and very sensitive to touch during these early weeks. These pains are caused by changes in breast tissue due to increased blood flow to the breast and increased estrogen and progesterone.

Pregnant women should avoid being in closed high temperature places for a long time in the early stage of pregnancy, such as taking a sauna; if you occasionally want to take a hot bath at home, remember that the water temperature should be lower than 38 ℃, the time should be controlled within 15 minutes, and Provide ventilation for heat dissipation. In addition, if you are sick and have a fever, you should seek medical treatment immediately. Warmth can promote the body's metabolism, but for mothers, if they are in a high temperature state for a long time without being able to dissipate heat, it is likely to cause fetal malformations. This is because the fetus has not yet formed in the early stage of pregnancy, and the embryo is not stable in the uterine wall. If the pregnant woman makes the body temperature higher than 38.9 ℃, it will cause chromosome breakage in the embryo or defects in the fetal brain and nervous system.

Studies have shown that women who work in iron factories in Eastern European countries are more likely to have a birth defect than the general population. Moreover, the continuous high temperature of the body will cause the blood vessels of pregnant women to dilate, and a large amount of blood will flow to the surface of the skin, increasing the load on the heart, which may lead to heart attacks in pregnant women with heart disease; and the blood flow of the uterus and placenta will also be reduced. Supply plummeted.

Related diets and precautions

Most of our diets are mainly carbohydrates, which are the main source of energy for the human body. Generally speaking, pregnant women need to eat an average of about 400 grams of cereals per day, and in addition to the staple food of rice and noodles, they should also add some coarse grains. But pregnant women should eat less food such as sucrose. Avoid high-sugar beverages. Numerous studies have been conducted by nutritionists on the types and quantities of nutrients the body needs during pregnancy. The most basic nutrients needed by the human body are protein, lipids, carbohydrates (carbohydrates), inorganic salts (minerals), vitamins and water.

Vitamin C supplementation in pregnant women can prevent congenital malformations, but too much may also lead to malformations. 100 mg of vitamin C daily can meet the needs of pregnant women. Excessive intake of vitamin D by pregnant women can cause fetal hypercalcemia, aortic and renal artery stenosis, hypertension, and mental retardation. Too much vitamin E can cause diarrhea, abdominal pain, and fatigue in newborns.

The requirements of various minerals during pregnancy are higher than usual, especially the intake of iron, zinc and calcium is the most important: Iron is an important component of heme, and the most easily absorbed sources of iron are Egg yolk, liver, meat, etc.

Calcium supports the development of fetal bones and teeth. It can be ingested from milk, dried small fish, pork floss, beans, dark vegetables, sesame seeds and nuts.

Zinc is an essential nutrient for fetal development and growth. High-protein foods contain more zinc, among which oysters have the highest content, and others such as pork, fish, and liver. When the intake is insufficient, an underweight baby may be born.

Eating habits can be adjusted to a small amount of meals, appropriate supplements to maintain physical strength, and appropriate snacks can also be eaten. The best option is carbohydrates, which can provide mom with energy for a few hours without getting hungry again soon. But don't opt ​​for overly sweet biscuits, chocolates, or sweet drinks, which give you a quick energy boost but leave you feeling hungry in a short amount of time. Which fruits and vegetables should pregnant mothers not eat? 

• Spinach: Green vegetables have always been regarded as healthy food, but not all vegetables are eaten as much as possible. For example, spinach, people have always thought that it is rich in iron and has the function of nourishing blood. In fact, there is not much iron in spinach, and a large amount of oxalic acid will affect the absorption of zinc and calcium, thus hindering the growth and development of the baby. Therefore, mothers must not eat vegetables as a good vegetable to prevent anemia during pregnancy.
• Perennial Potatoes: When it comes to potatoes, nobody seems to like them. But potatoes contain biotin, and the longer the potatoes are stored, the higher the biotin content. Eating too much may affect the normal development of the fetus and lead to deformities. Pregnant mothers who like to eat potatoes should eat fresh potatoes.
• Sauerkraut: When it comes to sour cabbage and sour radish, many pregnant mothers love it. However, the nutrition of sauerkraut is almost completely destroyed during the pickling process, and the carcinogenic nitrite contained in it will affect the normal growth and development of the fetus. Therefore, it’s okay to adjust your appetite a little bit, don’t eat it as a meal.
• Shan Cha: Shan Cha is sweet and sour, and has the benefits of digestion. Pregnant moms have a soft spot for it. However, Shancha has an exciting effect on the uterus, which can cause contractions and possibly miscarriage. It is better to eat less just in case. If you want to eat sour, choose fresh fruits such as tomatoes, bayberry, cherries, oranges, grapes, and apples.
• Pickles and pickles: Like bacon, salted fish, and salted eggs, the high salt in pickles and pickles may make pregnant women edema, and the nitrites and preservatives in pickled products are not conducive to fetus baby.

In early pregnancy, because the fetus is a foreign body to the pregnant woman, the pregnant woman responds to it, and this response is manifested in behavior as pregnancy response. In Japan, some scholars have investigated and analyzed that the personality and emotions of pregnant women are related to vomiting during pregnancy. Some neurotic pregnant women respond more significantly. Pregnant women hate pregnancy, the vast majority have vomiting; otherwise, the opposite is true. This shows that there is a close relationship between emotion and morning sickness response. Another survey found that most pregnant women with severe morning sickness reactions or other severe pregnancy reactions are extroverted, psychologically and emotionally unstable. Family and social environment factors, such as husbands and in-laws’ biased views on giving birth to boys and girls, too much concern or indifference to pregnant women, unfavorable factors such as family housing conditions, economic status, interpersonal relationships, etc., will all bring adverse stimulation to pregnant women and cause psychological stress , aggravate morning sickness.