Level 1: Changes in gestational sac size at 40 days of pregnancy
On the 40th day of pregnancy, the size and shape of the gestational sac will change. At this time, the gestational sac is generally a small round structure with a diameter of about 4-6 mm, which can be clearly observed during ultrasound examination. As the embryo develops, the gestational sac gradually increases in size, reaching its maximum size at 8-10 weeks.
Level 2: Germ development at 40 days of pregnancy
At 40 days of pregnancy, the embryo has begun to form. At this point, the germ consists of two layers: the inner layer is the embryonic disc, and the outer layer is the amniotic membrane. The interior of the germ also contains the primitive structures of the neural tube, heart, liver, kidneys and other organs. These organs will gradually improve during subsequent development.
Level 3: What to pay attention to during the 40th day of pregnancy
Early pregnancy is one of the most critical stages of fetal development, so special attention needs to be paid to diet and living habits. It is recommended to reduce or avoid bad habits such as smoking and drinking, and try to avoid exposure to harmful substances. In addition, in terms of diet, nutritional balance should be ensured and excessive eating or overeating should be avoided.
Level 4: Examinations required at 40 days of pregnancy
The first prenatal check-up is recommended when you are 40 days pregnant. Prenatal examination can help understand the development of the fetus, rule out abnormalities, and make appropriate treatment in a timely manner. Prenatal examination includes B-ultrasound, blood routine, urine routine and other items.
Level 5: Symptoms you need to pay attention to during the 40th day of pregnancy
Some early pregnancy reactions may appear when you are 40 days pregnant. Breast swelling and pain, nausea and vomiting, fatigue, etc. These symptoms are normal physiological reactions and there is no need to worry too much. However, if abnormal conditions such as severe abdominal pain and heavy vaginal bleeding occur, you need to seek medical treatment in time.
Level 6: Nutritional requirements for 40 days of pregnancy
The nutritional requirements in early pregnancy are not high, but they cannot be ignored. It is recommended to combine meals reasonably and eat more foods rich in protein, vitamins and trace elements, such as chicken, fish, beans, etc. In addition, proper supplementation of nutrients such as folic acid and calcium is required.
The 40th day of pregnancy is the early stage of embryonic development and requires special attention to health care and nutrition. During this period, it is recommended to undergo prenatal check-ups and pay attention to diet and living habits. At the same time, if any abnormality occurs, timely medical treatment is required.