How is the baby developing in the 21st week of pregnancy?

How is the baby developing in the 21st week of pregnancy?

For female friends, the pregnancy reaction after pregnancy varies from person to person. Some are more severe, while some people basically feel nothing. Generally, by this month, the morning sickness reaction will disappear, but for some people it may continue until the time of delivery. Of course, what mothers are concerned about is the growth and development of their baby. Let’s take a look at the baby’s development when he reaches twenty-one weeks old!

At 21 weeks of pregnancy, the length of the fetus from head to hips is about 17 to 18 cm, the length from head to toe is about 26 cm, and the weight is about 300 to 350 grams. In the 5th month of pregnancy, the bulge of the abdomen begins to become obvious, and the weight gain is obvious due to increased appetite. Due to the enlarged uterus, you may feel full and indigestion after squeezing your upper abdomen. During this period, the fetus is most likely to absorb maternal nutrients, so the mother is also most likely to develop anemia during this period.

In the second trimester, the fetus enters a period of rapid growth, so it is crucial for pregnant women to supplement nutrition, and should focus on preventing anemia and calcium deficiency.

In the second trimester, the uterus of a pregnant woman continues to grow larger and the center of her body moves forward. Be careful when going up and down stairs or climbing high places to avoid falling. In addition, try to avoid standing for long periods of time, which can cause back pain.

Pregnant women should do housework within their ability and avoid lifting heavy objects, bending over to scrub, and taking long cold showers.

Between 14 and 20 weeks of pregnancy is the best time to conduct special prenatal examinations and diagnoses on the fetus. Doctors use amniocentesis, fetal blood tests, B-ultrasound and other technical means to perform intrauterine diagnosis on some fetuses with high-risk factors, and take corresponding measures in a timely manner to ensure eugenics. According to the characteristics of fetal brain development, prenatal education should start in the 24th week of pregnancy.

By attending classes at a maternity school with your husband, the husband can learn how to monitor his wife at home, measure the uterine height and abdominal circumference, listen to the fetal heart rate, and identify abnormalities.

Measure your weight once a month, and the average weight gain should not exceed 0.5 kg per week.

Pregnant women should not smoke, drink, or come into contact with pesticides.

Pay attention to fetal movements. If the frequency of fetal movements is about 30 times/12 hours, it means that the fetus is in good condition.

Common diseases and abnormal anemia during the second trimester of pregnancy. Blood volume increases fastest in the second trimester, leading to physiological dilution of the blood, so anemia is most likely to occur or worsen in the second trimester. A large amount of the mother's blood is supplied to the fetus and placenta, and her own circulating blood volume is reduced. Pregnant women are prone to comprehensive anemia symptoms such as shortness of breath, palpitations, dizziness, fatigue, insomnia, and poor memory. It can easily cause pregnancy-induced hypertension syndrome (edema, hypertension, proteinuria, etc.).

It is recommended to pay attention to balanced nutrition during pregnancy. Your mother should not be picky about food. She should pay attention to the comprehensive intake of a variety of fruits and vegetables, and ensure adequate intake of nutrients such as protein. She can appropriately supplement some vitamins and minerals, which is beneficial to the health of the fetus and mother. Another point is to pay attention to health care during pregnancy, get more rest and do appropriate activities. And go to a regular hospital for regular prenatal check-ups.

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